Ref# |
Year designated |
Name |
Image |
Built |
Location Coordinates |
Region/state |
Country |
Category |
1 |
1966 |
Bollman Truss Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/NewBridgeElevation.jpg/100px-NewBridgeElevation.jpg) |
1869 |
Savage 39°8′5.4″N 76°49′30.3″W |
Maryland |
United States |
bridges |
2 |
1967 |
Bidwell Bar Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f8/OldBidwellBarBridge_OrovilleCA.jpg/100px-OldBidwellBarBridge_OrovilleCA.jpg) |
1856 |
Oroville 39°32′14.8″N 121°27′15.6″W |
California |
United States |
bridges |
3 |
1967 |
Erie Canal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/11/Kirkville-olderie1.JPG/100px-Kirkville-olderie1.JPG) |
1825 |
Hudson River to Lake Erie 43°2′35.6″N 76°1′20.2″W |
New York |
United States |
water transportation |
4 |
1967 |
Middlesex Canal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/34/Shawsheen_River_Aqueduct%2C_Middlesex_Canal%2C_Massachusetts.JPG/100px-Shawsheen_River_Aqueduct%2C_Middlesex_Canal%2C_Massachusetts.JPG) |
1803 |
Middlesex County 42°30′21.4″N 71°9′25.8″W |
Massachusetts |
United States |
water transportation |
5 |
1968 |
Central Pacific Railroad |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/61/Trestle_CPRR.jpg/100px-Trestle_CPRR.jpg) |
1863–1869 |
Sacramento eastward 38°34′57″N 121°30′22.8″W |
California |
United States |
roads & rails |
6 |
1968 |
Durango-Silverton Branch of the D&RGW RR |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/52/DurangoSilverton2.jpg/100px-DurangoSilverton2.jpg) |
1882 |
Durango 37°35′27.7″N 107°46′41.6″W |
Colorado |
United States |
roads & rails |
7 |
1968 |
Ellicott's Stone |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Ellicott%27s_Stone_01.JPG/100px-Ellicott%27s_Stone_01.JPG) |
1799 |
Mobile 30°59′52″N 88°1′21.1″W |
Alabama |
United States |
surveys & maps |
8 |
1968 |
Acequias of San Antonio |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Aqueduct_01.jpg/100px-Aqueduct_01.jpg) |
1718 |
San Antonio 29°19′57.1″N 98°27′41.1″W |
Texas |
United States |
water supply & control |
9 |
1968 |
Joining of the Rails - Transcontinental Railroad |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/East_west_shaking_hands_by_russell.jpg/100px-East_west_shaking_hands_by_russell.jpg) |
1869 |
Promontory 41°37′4.7″N 112°33′5.8″W |
Utah |
United States |
roads & rails |
10 |
1968 |
Wheeling Suspension Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/99/WheelingSuspBridge.jpg/100px-WheelingSuspBridge.jpg) |
1849 |
Wheeling 40°4′12.8″N 80°43′36.7″W |
West Virginia |
United States |
bridges |
11 |
1969 |
Alvord Lake Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/HAER-Alvord_Lake.jpg/100px-HAER-Alvord_Lake.jpg) |
1889 |
San Francisco 37°46′8.4″N 122°27′17.6″W |
California |
United States |
bridges |
12 |
1969 |
Charleston - Hamburg Railroad |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/a5/SouthCarolinaRR_RoadMap1833.jpg/100px-SouthCarolinaRR_RoadMap1833.jpg) |
1833 |
Charleston to Hamburg 32°47′22.9″N 79°56′15.8″W |
South Carolina |
United States |
roads & rails |
13 |
1970 |
Ascutney Mill Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Ascutney_Mill.jpg/100px-Ascutney_Mill.jpg) |
1834 |
Windsor 43°28′35″N 72°23′44.5″W |
Vermont |
United States |
dams |
14 |
1970 |
Bridgeport Covered Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/Bridgeport_Covered_Bridge2.jpg/100px-Bridgeport_Covered_Bridge2.jpg) |
1862 |
Nevada County 39°17′34.2″N 121°11′41.7″W |
California |
United States |
bridges |
15 |
1970 |
Cornish–Windsor Covered Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Cornish_windsor_bridge.jpg/100px-Cornish_windsor_bridge.jpg) |
1866, rebuilt 1988 |
Windsor to Cornish 43°28′25.3″N 72°23′2.1″W |
Vermont and New Hampshire |
United States |
bridges |
16 |
1970 |
Frankford Avenue Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Frankford-Avenue-Bridge.jpg/100px-Frankford-Avenue-Bridge.jpg) |
1697 |
Philadelphia 40°2′36.7″N 75°1′14″W |
Pennsylvania |
United States |
bridges |
17 |
1970 |
Potowmack Canal and Locks |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/11/Potomac-Canal-Historic-District.JPG/100px-Potomac-Canal-Historic-District.JPG) |
1799 |
Great Falls 38°59′25.3″N 77°14′58.1″W |
Virginia |
United States |
water transportation |
18 |
1970 |
Theodore Roosevelt Dam & Salt River Project |
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/33/Roosevelt_dam_1915.jpg/100px-Roosevelt_dam_1915.jpg) |
1911 |
33°40′17.9″N 111°9′40.8″W |
Arizona |
United States |
water supply & control |
19 |
1970 |
Union Canal Tunnel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Union_Canal_Tunnel_LebCo_PA_1.jpg/100px-Union_Canal_Tunnel_LebCo_PA_1.jpg) |
1828 |
Lebanon 40°20′58.5″N 76°27′41″W |
Pennsylvania |
United States |
water transportation |
20 |
1971 |
Bethlehem Waterworks |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/Waterworks%2C_Monocacy_Creek_vicinity%2C_Bethlehem_%28Northampton_County%2C_Pennsylvania%29.jpg/100px-Waterworks%2C_Monocacy_Creek_vicinity%2C_Bethlehem_%28Northampton_County%2C_Pennsylvania%29.jpg) |
1761 |
Bethlehem 40°37′8.7″N 75°22′58.2″W |
Pennsylvania |
United States |
water supply & control |
21 |
1971 |
Druid Lake Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/81/Druid_Lake_Baltimore.jpg/100px-Druid_Lake_Baltimore.jpg) |
1871 |
Baltimore 39°19′7″N 76°37′53″W |
Maryland |
United States |
dams |
22 |
1971 |
Eads Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/53/Eads_Bridge_construction.jpg/100px-Eads_Bridge_construction.jpg) |
1874 |
St. Louis 38°37′44″N 90°10′43.3″W |
Missouri |
United States |
bridges |
23 |
1971 |
First Owens River - Los Angeles Aqueduct |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Cat45-mojave.jpg/100px-Cat45-mojave.jpg) |
1913 |
Owens Valley 36°58′32.4″N 118°12′38″W |
California |
United States |
water supply & control |
24 |
1971 |
Mormon Tabernacle |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d1/Mormon_Tabernacle_1870s.jpg/100px-Mormon_Tabernacle_1870s.jpg) |
1867 |
Salt Lake City 40°46′13.6″N 111°53′35.3″W |
Utah |
United States |
buildings |
25 |
1972 |
Cabin John Aqueduct |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/9b/Cabin_John_Bridge_MD_aka_Union_Arch_drawing_1859.jpg/100px-Cabin_John_Bridge_MD_aka_Union_Arch_drawing_1859.jpg) |
1863 |
Cabin John 38°58′22″N 77°8′54.9″W |
Maryland |
United States |
water supply & control |
26 |
1972 |
Chesbroughs Water Supply System Chicago |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/HARRISON-CRIB-1910.jpg/100px-HARRISON-CRIB-1910.jpg) |
1869 |
Chicago 41°53′49.8″N 87°37′27.9″W |
Illinois |
United States |
water supply & control |
27 |
1972 |
Brooklyn Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/New_York_City_Brooklyn_Bridge_-_Currier_%26_Ives_1877.jpg/100px-New_York_City_Brooklyn_Bridge_-_Currier_%26_Ives_1877.jpg) |
1883 |
New York City 40°42′22″N 73°59′48.8″W |
New York |
United States |
bridges |
28 |
1972 |
Gunnison Tunnel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/0b/GunnTunn1909.jpg/100px-GunnTunn1909.jpg) |
1909 |
Montrose 38°29′36″N 107°43′17″W |
Colorado |
United States |
tunnels |
29 |
1972 |
Roebling's Delaware Aqueduct of the Delaware & Hudson Canal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Roebling%27s_Delaware_Aqueduct_Side_View_3000px.jpg/100px-Roebling%27s_Delaware_Aqueduct_Side_View_3000px.jpg) |
1848, restored 1983 |
Lackawaxen to Minisink Ford 41°28′57.5″N 74°59′4.1″W |
Pennsylvania & New York |
United States |
water transportation |
30 |
1972 |
Miami Conservancy District |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/91/Miami_Conservancy_District_Building%2C_Dayton%2C_Ohio.jpg/100px-Miami_Conservancy_District_Building%2C_Dayton%2C_Ohio.jpg) |
1922 |
near Dayton 39°45′49.2″N 84°11′29.2″W |
Ohio |
United States |
water supply & control |
31 |
1973 |
Buffalo Bill Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/7b/BuffaloBillDam.jpg/100px-BuffaloBillDam.jpg) |
1910 |
Cody 44°30′5.3″N 109°10′59.4″W |
Wyoming |
United States |
dams |
32 |
1973 |
Cheesman Reservoir |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/86/Cheesman_Dam_and_Lake_CO-A-0046.jpg/100px-Cheesman_Dam_and_Lake_CO-A-0046.jpg) |
1905 |
Southwest of Denver 39°12′27″N 105°16′20.1″W |
Colorado |
United States |
dams |
33 |
1973 |
Embudo Stream Gauging Station |
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/31/Near_Velarde%2C_NM%2C_U.S._Geological_Survey_Rio_Grande_Embudo_Gaging_Station%2C_2011_-_panoramio.jpg/100px-Near_Velarde%2C_NM%2C_U.S._Geological_Survey_Rio_Grande_Embudo_Gaging_Station%2C_2011_-_panoramio.jpg) |
1889 |
Embudo 36°12′18.4″N 105°57′49.2″W |
New Mexico |
United States |
water supply & control |
34 |
1973 |
Ingalls Building |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/16/Ingalls_building_cincinnati_2006.jpg/100px-Ingalls_building_cincinnati_2006.jpg) |
1903 |
Cincinnati 39°6′1″N 84°30′45.1″W |
Ohio |
United States |
buildings |
35 |
1973 |
Pelton Impulse Water Wheel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Pelton_wheel_%28patent%29.png/100px-Pelton_wheel_%28patent%29.png) |
1878 |
Camptonville 39°27′7″N 121°2′55″W |
California |
United States |
power generation |
36 |
1973 |
Starrucca Viaduct |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/81/HAER-Starrucca_1.jpg/100px-HAER-Starrucca_1.jpg) |
1848 |
Lanesboro 41°57′51.3″N 75°35′0.6″W |
Pennsylvania |
United States |
bridges |
37 |
1974 |
Kansas City Park and Boulevard System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Paseo_pergola_Kansas_City_MO.jpg/100px-Paseo_pergola_Kansas_City_MO.jpg) |
1893 to 1915 |
Kansas City 39°4′57″N 94°33′18″W |
Missouri |
United States |
surveys & maps |
38 |
1974 |
Milwaukee Metropolitan Sewage Treatment Plant, home of Milorganite[5] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Milwaukee_Metropolitan_Sewerage_District.jpg/100px-Milwaukee_Metropolitan_Sewerage_District.jpg) |
1919 |
Milwaukee 43°1′21.3″N 87°53′57.3″W |
Wisconsin |
United States |
water supply & control |
39 |
1974 |
Philadelphia Municipal Water Supply |
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/33/BlakeCollectionDuettsTitle.png/100px-BlakeCollectionDuettsTitle.png) |
1801 |
Philadelphia 39°57′56″N 75°10′51″W |
Pennsylvania |
United States |
water supply & control |
40 |
1974 |
Stone Arch Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/StoneArchBridge3.jpg/100px-StoneArchBridge3.jpg) |
1883 |
Minneapolis 44°58′50.8″N 93°15′12.3″W |
Minnesota |
United States |
bridges |
41 |
1975 |
Castillo de San Marcos |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Fort2.jpg/100px-Fort2.jpg) |
1695 |
St. Augustine 29°53′52″N 81°18′41″W |
Florida |
United States |
buildings |
42 |
1975 |
Croton Water Supply System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/DoubleArch1907.jpg/100px-DoubleArch1907.jpg) |
1842 |
New York City 41°0′42.5″N 73°52′36.4″W |
New York |
United States |
water supply & control |
43 |
1975 |
Folsom Hydroelectric Power System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/28/FolsomPowerHouse.jpg/100px-FolsomPowerHouse.jpg) |
1895 |
Folsom 38°40′46.6″N 121°10′37.2″W |
California |
United States |
power generation |
44 |
1975 |
Granite Railway |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Granite_Railway_-_General_view_of_incline_to_Quarry_from_Northwest.jpg/100px-Granite_Railway_-_General_view_of_incline_to_Quarry_from_Northwest.jpg) |
1826 |
Quincy 42°14′44.6″N 71°2′9″W |
Massachusetts |
United States |
roads & rails |
45 |
1975 |
Hoosac Tunnel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/48/West_portal_of_Hoosac_Tunnel_1911_postcard.jpg/100px-West_portal_of_Hoosac_Tunnel_1911_postcard.jpg) |
1875 |
Berkshire County 42°40′31.1″N 73°2′45.1″W |
Massachusetts |
United States |
tunnels |
46 |
1975 |
Lawrence Experiment Station |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/Lawrence_Experiment_Station_-_DSC03524.JPG/100px-Lawrence_Experiment_Station_-_DSC03524.JPG) |
1886 |
Lawrence 42°41′53.8″N 71°9′55.7″W |
Massachusetts |
United States |
research & educational |
47 |
1975 |
Marlette Lake Water System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Marlette_Lake_dhReno.jpg/100px-Marlette_Lake_dhReno.jpg) |
1873 to 1887 |
Virginia City 39°13′9.5″N 119°47′20.1″W |
Nevada |
United States |
water supply & control |
48 |
1975 |
Mount Washington Cog Railway |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Marsh_rack_system_of_the_Mount_Washington_Cog_Railway.jpg/100px-Marsh_rack_system_of_the_Mount_Washington_Cog_Railway.jpg) |
1869 |
Mount Washington 44°16′26″N 71°19′55″W |
New Hampshire |
United States |
roads & rails |
49 |
1975 |
Smithfield Street Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/95/Smithfield_Street_Bridge.jpg/100px-Smithfield_Street_Bridge.jpg) |
1883 |
Pittsburgh 40°26′5.4″N 80°0′7.7″W |
Pennsylvania |
United States |
bridges |
50 |
1975 |
Tunkhannock Viaduct |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/29/Nicholson-Viaduct.JPG/100px-Nicholson-Viaduct.JPG) |
1915 |
Nicholson 41°37′34.2″N 75°46′34.4″W |
Pennsylvania |
United States |
bridges |
51 |
1976 |
Crozet's Blue Ridge Tunnel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Blueridgetunnel.jpg/100px-Blueridgetunnel.jpg) |
1858 |
Waynesboro 38°2′3.1″N 78°51′28.4″W |
Virginia |
United States |
tunnels |
52 |
1976 |
Cumbres and Toltec Scenic Railroad |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/a5/Cumbres_%26_Toltec_Scenic_Railroad_excursion_train_headed_by_locomotive_484_in_2015.jpg/100px-Cumbres_%26_Toltec_Scenic_Railroad_excursion_train_headed_by_locomotive_484_in_2015.jpg) |
1880 |
Chama to Antonito 36°59′42″N 106°17′51.1″W |
New Mexico and Colorado |
United States |
roads & rails |
53 |
1976 |
Elephant Butte Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/04/Elephant_butte_dike.jpg/100px-Elephant_butte_dike.jpg) |
1916 |
Truth or Consequences 33°9′14.9″N 107°11′31.3″W |
New Mexico |
United States |
dams |
54 |
1976 |
First Concrete Pavement |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/78/Court_Avenue_in_Bellefontaine.jpg/100px-Court_Avenue_in_Bellefontaine.jpg) |
1893 |
Bellefontaine 40°21′37.5″N 83°45′33.6″W |
Ohio |
United States |
roads & rails |
55 |
1976 |
International Boundary Marker No. 1[6] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/International_Boundary_Marker_No._1%2C_U.S._and_Mexico_-_View_from_north.jpg/83px-International_Boundary_Marker_No._1%2C_U.S._and_Mexico_-_View_from_north.jpg) |
1855 |
Doña Ana County 31°47′2″N 106°31′47.1″W |
New Mexico |
United States |
surveys & maps |
56 |
1976 |
King's Road |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/60/El-camino-real.jpg/100px-El-camino-real.jpg) |
1766 to 1775 |
New Smyrna 29°38′23.4″N 81°16′50.3″W |
Florida |
United States |
roads & rails |
57 |
1976 |
National Road |
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/37/National_road_map.png/100px-National_road_map.png) |
1811–1839 |
Cumberland to Vandalia 39°57′38.7″N 82°27′2″W |
Maryland to Illinois |
United States |
roads & rails |
58 |
1977 |
Charlestown Naval Dry Dock |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Dry_Dock_1.JPG/100px-Dry_Dock_1.JPG) |
1833 |
Boston 42°22′23.7″N 71°3′19.3″W |
Massachusetts |
United States |
water transportation |
59 |
1977 |
City Plan of Savannah |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/9b/SavannahCityPlan1770.jpg/100px-SavannahCityPlan1770.jpg) |
1733 |
Savannah 32°4′32″N 81°5′31″W |
Georgia |
United States |
surveys & maps |
60 |
1977 |
Great Falls Raceway and Power System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Great_Falls_of_the_Passaic_River%2C_April_18%2C_2007.jpg/100px-Great_Falls_of_the_Passaic_River%2C_April_18%2C_2007.jpg) |
1800 |
Paterson 40°54′55.1″N 74°10′52.1″W |
New Jersey |
United States |
power generation |
61 |
1977 |
First New York Subway |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/72/NYCS_Maps_IRT_1904.jpg/100px-NYCS_Maps_IRT_1904.jpg) |
1904 |
New York City 40°42′45.3″N 74°0′24.2″W |
New York |
United States |
roads & rails |
62 |
1977 |
Mason–Dixon line |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Mason-dixon-line.gif/100px-Mason-dixon-line.gif) |
1767 |
39°43′16.1″N 80°7′5.3″W |
Maryland & Pennsylvania |
United States |
surveys & maps |
63 |
1977 |
Minot's Ledge Lighthouse |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/66/Minot_light.gif/100px-Minot_light.gif) |
1860 |
off Scituate 42°16′11″N 70°45′32.9″W |
Massachusetts |
United States |
water transportation |
64 |
1977 |
Mullan Road |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Mullan_Road_as_it_crosses_SR_26_near_Washtucna_IMG_1257.jpg/100px-Mullan_Road_as_it_crosses_SR_26_near_Washtucna_IMG_1257.jpg) |
1862 |
Walla Walla 46°46′8.3″N 118°12′22.6″W |
Washington |
United States |
roads & rails |
65 |
1977 |
Dry Dock No 1 Norfolk Naval Shipyard |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/56/DrydockNumber1.jpg/100px-DrydockNumber1.jpg) |
1833 |
Portsmouth 36°49′14″N 76°17′35″W |
Virginia |
United States |
water transportation |
66 |
1977 |
Reversal of the Chicago River |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Chicago-Sanitary-and-Ship-Canal.jpg/100px-Chicago-Sanitary-and-Ship-Canal.jpg) |
1900 |
Chicago 41°42′18″N 87°56′2″W |
Illinois |
United States |
water transportation |
67 |
1977 |
Vulcan Street Plant |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/ae/PaperDiscoveryCenterAppletonWI.jpg/100px-PaperDiscoveryCenterAppletonWI.jpg) |
1882 |
Appleton 44°15′29.2″N 88°23′50.2″W |
Wisconsin |
United States |
power generation |
68 |
1977 |
William E. Ward House |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/William_E_Ward_House%2C_Rye_Brook%2C_NY-Greenwich%2C_CT.jpg/100px-William_E_Ward_House%2C_Rye_Brook%2C_NY-Greenwich%2C_CT.jpg) |
1876 |
Rye Brook 41°1′32.5″N 73°40′3.1″W |
New York |
United States |
buildings |
69 |
1978 |
Boston Subway |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Platforms_at_Park_Street_Station%2C_1898.jpg/100px-Platforms_at_Park_Street_Station%2C_1898.jpg) |
1897 |
Boston 42°21′23.8″N 71°3′43.6″W |
Massachusetts |
United States |
roads & rails |
70 |
1978 |
Dunlap's Creek Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/23/Dunlap_creek_bridge_jet_lowe_1983.jpg/100px-Dunlap_creek_bridge_jet_lowe_1983.jpg) |
1839 |
Brownsville 40°1′17.2″N 79°53′17.2″W |
Pennsylvania |
United States |
bridges |
71 |
1978 |
Hudson and Manhattan Railroad Tunnel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/ae/PATH_junction.jpg/100px-PATH_junction.jpg) |
1908 |
Jersey City to New York City 40°43′56.7″N 74°1′11.6″W |
New Jersey & New York |
United States |
tunnels |
72 |
1978 |
Newark International Airport |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/69/Newark_Airport.JPG/100px-Newark_Airport.JPG) |
1928 |
Newark 40°41′22.2″N 74°10′28.2″W |
New Jersey |
United States |
aviation |
73 |
1978 |
United States Military Academy |
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/38/USMA_Aerial_View_Looking_North.jpg/100px-USMA_Aerial_View_Looking_North.jpg) |
1813 |
West Point 41°23′34.8″N 73°57′28.8″W |
New York |
United States |
research & educational |
74 |
1979 |
Cleveland Hopkins Airport |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c6/Cleveland_Hopkins_International_Airport_recent_satellite_view.png/100px-Cleveland_Hopkins_International_Airport_recent_satellite_view.png) |
1925 |
Cleveland 41°24′45″N 81°50′53″W |
Ohio |
United States |
aviation |
75 |
1979 |
Fink Deck Truss Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/77/Bridges_20.png/100px-Bridges_20.png) |
1870 |
Lynchburg 37°26′24.3″N 79°9′56″W |
Virginia |
United States |
bridges |
76 |
1979 |
Fink Through Truss Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Hamden_fink_truss_1971_boucher.jpg/100px-Hamden_fink_truss_1971_boucher.jpg) |
1858 |
Hamden 40°36′14.3″N 74°54′8.1″W |
New Jersey |
United States |
bridges |
77 |
1979 |
Iron Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Ironbridge_6.jpg/100px-Ironbridge_6.jpg) |
1779 |
Ironbridge 52°37′38.4″N 2°29′7.6″W |
West Midlands |
England |
bridges |
78 |
1979 |
Moffat Tunnel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Image_Moffat_west2a.jpg/100px-Image_Moffat_west2a.jpg) |
1928 |
Winter Park 39°53′37.5″N 105°42′41.3″W |
Colorado |
United States |
tunnels |
79 |
1979 |
Rockville Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/67/Rockville_Bridge_PA.jpg/100px-Rockville_Bridge_PA.jpg) |
1902 |
Harrisburg 40°19′59.9″N 76°54′38.8″W |
Pennsylvania |
United States |
bridges |
80 |
1980 |
Goodyear Airdock |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/58/Goodyear_Airdock_exterior.jpg/100px-Goodyear_Airdock_exterior.jpg) |
1929 |
Akron 41°1′54.9″N 81°28′14.6″W |
Ohio |
United States |
aviation |
81 |
1980 |
Hydraulic-Inclined Plane System of the Morris Canal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Morris_Canal_Plane_7_West_from_HAER_%28cropped%29.tiff/lossy-page1-100px-Morris_Canal_Plane_7_West_from_HAER_%28cropped%29.tiff.jpg) |
1831 |
Waterloo Village 40°54′55.2″N 74°21′23.8″W |
New Jersey |
United States |
water transportation |
82 |
1981 |
Borden Base Line |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Borden_Base_Line_-_Massachusetts_map%2C_1871.jpg/100px-Borden_Base_Line_-_Massachusetts_map%2C_1871.jpg) |
1831 |
Hatfield 42°25′33.7″N 72°37′9″W |
Massachusetts |
United States |
surveys & maps |
83 |
1981 |
Chain of Rocks Water Purification Plant |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Chain_of_Rocks_Water_Purification_Plant.jpg/100px-Chain_of_Rocks_Water_Purification_Plant.jpg) |
1904 |
St. Louis 38°45′18.5″N 90°11′11.6″W |
Missouri |
United States |
water supply & control |
84 |
1981 |
Charles River Basin Project |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Charles_River_Esplanade%2C_Boston%2C_Massachusetts.JPG/100px-Charles_River_Esplanade%2C_Boston%2C_Massachusetts.JPG) |
1910 |
Boston 42°22′3.8″N 71°4′12.8″W |
Massachusetts |
United States |
water supply & control |
85 |
1981 |
Cortland Street Drawbridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/CortlandStDrawbridge.jpg/100px-CortlandStDrawbridge.jpg) |
1902 |
Chicago 41°55′1.1″N 87°39′51.4″W |
Illinois |
United States |
bridges |
86 |
1981 |
George Washington Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/George_Washington_Bridge_from_New_Jersey_2.jpg/100px-George_Washington_Bridge_from_New_Jersey_2.jpg) |
1931 |
Fort Lee to New York City 40°51′6.1″N 73°57′9.7″W |
New Jersey & New York |
United States |
bridges |
87 |
1981 |
Louisville Water Works |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d1/Louisville_water_tower.jpg/100px-Louisville_water_tower.jpg) |
1875 to 1896 |
Louisville 38°16′50″N 85°42′4.3″W |
Kentucky |
United States |
water supply & control |
88 |
1981 |
Montgomery Bell's Tunnel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Montgomery_Bell_Tunnel.jpg/100px-Montgomery_Bell_Tunnel.jpg) |
1818 |
Cheatham County 36°8′48.5″N 87°7′19.3″W |
Tennessee |
United States |
tunnels |
89 |
1981 |
Snoqualmie Falls Cavity Generating Station |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Snoqualmie_power_plant_cutaway_-_1900.jpg/100px-Snoqualmie_power_plant_cutaway_-_1900.jpg) |
1899 |
Snoqualmie 47°32′39.5″N 121°50′29.3″W |
Washington |
United States |
power generation |
90 |
1981 |
Union Station |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Stl-union-station.jpg/100px-Stl-union-station.jpg) |
1894 |
St. Louis 38°37′41.2″N 90°12′28.8″W |
Missouri |
United States |
roads & rails |
91 |
1981 |
Washington Monument |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/WashingtonMonumentTidalBasin.JPG/100px-WashingtonMonumentTidalBasin.JPG) |
1885 |
Washington 38°53′22.1″N 77°2′6.9″W |
District of Columbia |
United States |
buildings |
92 |
1981 |
Whipple Truss Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Whipple_Cast_-_Wrought_Iron_Bowstring_Truss_Bridge.jpg/100px-Whipple_Cast_-_Wrought_Iron_Bowstring_Truss_Bridge.jpg) |
1855 |
Schenectady 42°49′5.2″N 73°55′27″W |
New York |
United States |
bridges |
93 |
1982 |
Carrollton Viaduct |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Carrollton-viaduct.jpg/100px-Carrollton-viaduct.jpg) |
1829 |
Baltimore 39°16′31.5″N 76°39′18″W |
Maryland |
United States |
bridges |
94 |
1982 |
Detroit-Windsor Tunnel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/8e/DWTunnel.JPG/100px-DWTunnel.JPG) |
1930 |
Detroit 42°19′28″N 83°2′25.4″W |
Michigan |
United States |
tunnels |
95 |
1982 |
Eads South Pass Navigation Works |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Eads_South_Pass_Navigation_Works_-_Bird%27s-eye_view_of_the_Jetties.png/100px-Eads_South_Pass_Navigation_Works_-_Bird%27s-eye_view_of_the_Jetties.png) |
1879 |
Port Eads 28°59′50″N 89°8′38″W |
Louisiana |
United States |
water transportation |
96 |
1982 |
Holland Tunnel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Holland_tunnel.jpg/100px-Holland_tunnel.jpg) |
1927 |
Jersey City to New York City 40°43′38.9″N 74°1′16″W |
New Jersey & New York |
United States |
tunnels |
97 |
1982 |
John A. Roebling Suspension Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/65/CovingtonKY_JARoeblingBridge.jpg/100px-CovingtonKY_JARoeblingBridge.jpg) |
1866 |
Cincinnati 39°5′34.8″N 84°30′35.6″W |
Ohio |
United States |
bridges |
98 |
1982 |
Kinzua Railway Viaduct |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Phot_kinzuabridge2.jpg/100px-Phot_kinzuabridge2.jpg) |
1882 |
McKean County 41°45′47.3″N 78°35′21.1″W |
Pennsylvania |
United States |
bridges |
99 |
1982 |
Rogue River Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/IsaacLeePattersonBridgeSE.jpg/100px-IsaacLeePattersonBridgeSE.jpg) |
1931 |
Gold Beach 42°25′40.5″N 124°24′47.5″W |
Oregon |
United States |
bridges |
100 |
1982 |
Second Street Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/48/2nd_street_bridge_sign.jpg/100px-2nd_street_bridge_sign.jpg) |
1886 |
Allegan 42°31′32.7″N 85°50′54.6″W |
Michigan |
United States |
bridges |
101 |
1982 |
Watertown Arsenal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Watertown_Arsenal%2C_building_-71_%28Watertown%2C_MA%29.jpg/100px-Watertown_Arsenal%2C_building_-71_%28Watertown%2C_MA%29.jpg) |
1859 |
Watertown 42°21′44″N 71°9′58″W |
Massachusetts |
United States |
research & educational |
102 |
1983 |
Atlantic City Convention Hall |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c6/Atlantic_City_Convention_Hall%2C_On_Boardwalk%2C_West_of_Mississippi_Avenue%2C_Atlantic_City_%28Atlantic_County%2C_New_Jesey%29.jpg/100px-Atlantic_City_Convention_Hall%2C_On_Boardwalk%2C_West_of_Mississippi_Avenue%2C_Atlantic_City_%28Atlantic_County%2C_New_Jesey%29.jpg) |
1929 |
Atlantic City 39°21′18″N 74°26′19.1″W |
New Jersey |
United States |
buildings |
103 |
1983 |
Bailey Island Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/27/BaileyIslandBridge.jpg/100px-BaileyIslandBridge.jpg) |
1928 |
Harpswell 43°44′57.1″N 69°59′19.3″W |
Maine |
United States |
bridges |
104 |
1983 |
Blenheim Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/ab/BlenheimBridge_HAER_cropped.jpg/100px-BlenheimBridge_HAER_cropped.jpg) |
1855 |
North Blenheim 42°28′18.4″N 74°26′29.4″W |
New York |
United States |
bridges |
105 |
1983 |
Iron Building of the U.S. Army Arsenal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/02/Watervliet_Arsenal_museum.GIF/100px-Watervliet_Arsenal_museum.GIF) |
1859 |
Watervliet 42°43′5.9″N 73°42′14.5″W |
New York |
United States |
buildings |
106 |
1983 |
Ohio Canal System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/94/Ohio_Canal.jpg/100px-Ohio_Canal.jpg) |
1848 |
Akron 40°52′39.2″N 81°35′1.4″W |
Ohio |
United States |
water transportation |
107 |
1983 |
Peavey–Haglin Experimental Concrete Grain Elevator |
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/38/Peavey%E2%80%93Haglin_Experimental_Concrete_Grain_Elevator.jpg/100px-Peavey%E2%80%93Haglin_Experimental_Concrete_Grain_Elevator.jpg) |
1900 |
St. Louis Park 44°56′32.7″N 93°20′42.8″W |
Minnesota |
United States |
buildings |
108 |
1983 |
Sault Ste. Marie Hydroelectric Complex |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/81/Edison_Sault_hydroelectric_power_plant.JPG/100px-Edison_Sault_hydroelectric_power_plant.JPG) |
1902 |
Sault Ste. Marie 46°29′50.8″N 84°19′55.7″W |
Michigan |
United States |
power generation |
109 |
1983 |
Zuiderzee Enclosure Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/91/Afsluitdijk2006-1.JPG/100px-Afsluitdijk2006-1.JPG) |
1927 to 1932 |
Zaandam 52°59′37.5″N 5°9′19.1″E |
North Holland |
Netherlands |
water supply & control |
110 |
1984 |
Columbia River Scenic Highway |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/71/HCRH_gorge_view.jpg/100px-HCRH_gorge_view.jpg) |
1922 |
Portland 45°39′19.3″N 121°54′13.2″W |
Oregon |
United States |
roads & rails |
111 |
1984 |
Columbia-Wrightsville Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/71/Columbia-Wrightsville_Bridge.jpg/100px-Columbia-Wrightsville_Bridge.jpg) |
1930 |
Columbia 40°1′42.4″N 76°31′5.6″W |
Pennsylvania |
United States |
bridges |
112 |
1984 |
Golden Gate Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/GoldenGateBridge-001.jpg/100px-GoldenGateBridge-001.jpg) |
1937 |
San Francisco 37°49′11.7″N 122°28′42.7″W |
California |
United States |
bridges |
113 |
1984 |
Hoover Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/77/Hoovernewbridge.jpg/100px-Hoovernewbridge.jpg) |
1935 |
Boulder City 36°0′57.7″N 114°44′14.8″W |
Nevada & Arizona |
United States |
dams |
114 |
1984 |
Lowell Waterpower System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/49/Canal_system_in_Lowell%2C_Massachusetts.jpg/100px-Canal_system_in_Lowell%2C_Massachusetts.jpg) |
1821 |
Lowell 42°38′48.5″N 71°18′41.6″W |
Massachusetts |
United States |
power generation |
115 |
1984 |
Panama Canal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Panama_Canal_Gatun_Locks.jpg/100px-Panama_Canal_Gatun_Locks.jpg) |
1914 |
Colón to Panama City9°7′2.2″N 79°43′7.6″W |
|
Panama |
water transportation |
116 |
1984 |
Rocky River Pumped Storage Hydro-Plant |
|
1925 |
New Milford 41°34′49.7″N 73°26′13.2″W |
Connecticut |
United States |
power generation |
117 |
1985 |
Bayonne Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Bayonne_bridge_from_Port_Richmond.jpg/100px-Bayonne_bridge_from_Port_Richmond.jpg) |
1931 |
Bayonne to Staten Island 40°38′29.8″N 74°8′31.6″W |
New Jersey & New York |
United States |
bridges |
118 |
1985 |
Beginning Point of the U.S. Public Land Survey |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/54/Beginning_Point_of_the_U.S._Public_Land_Survey_front.jpg/100px-Beginning_Point_of_the_U.S._Public_Land_Survey_front.jpg) |
1785 |
Liverpool 40°38′19.7″N 80°31′8.4″W |
Ohio |
United States |
surveys & maps |
119 |
1985 |
Cape Cod Canal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/13/Cape_Cod_Canal_-_Railroad_Bridge.jpg/100px-Cape_Cod_Canal_-_Railroad_Bridge.jpg) |
1914 |
Barnstable County 41°45′51.1″N 70°34′6.3″W |
Massachusetts |
United States |
water transportation |
120 |
1985 |
Chesapeake and Delaware Canal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Chesapeake_and_Delaware_Canal_eastern_entrance.jpg/100px-Chesapeake_and_Delaware_Canal_eastern_entrance.jpg) |
1828 (rebuilt 1927) |
New Castle 39°32′34″N 75°43′14″W |
Delaware |
United States |
water transportation |
121 |
1985 |
Davis Island Lock and Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Davis_Island_Dam_%26_Lock_No._1.jpg/100px-Davis_Island_Dam_%26_Lock_No._1.jpg) |
1885 |
Pittsburgh 40°29′35″N 80°3′56″W |
Pennsylvania |
United States |
water transportation |
122 |
1985 |
Forth Railway Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Bb-forthrailbridge.jpg/100px-Bb-forthrailbridge.jpg) |
1890 |
North Queensferry to South Queensferry 56°0′1.5″N 3°23′19.4″W |
|
Scotland |
bridges |
123 |
1985 |
Going-to-the-Sun Road |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Going-to-the-Sun_Road-27527-2.jpg/100px-Going-to-the-Sun_Road-27527-2.jpg) |
1932 |
Glacier National Park 48°41′42″N 113°49′1.2″W |
Montana |
United States |
roads & rails |
124 |
1985 |
High Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/df/High_Bridge_of_Kentucky.jpg/100px-High_Bridge_of_Kentucky.jpg) |
1877 |
Jessamine & Mercer Counties 37°49′1.7″N 84°43′12.4″W |
Kentucky |
United States |
bridges |
125 |
1985 |
Statue of Liberty |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Statue_of_Liberty%2C_NY.jpg/100px-Statue_of_Liberty%2C_NY.jpg) |
1886 |
New York Harbor 40°41′21.5″N 74°2′40.4″W |
New York[7] |
United States |
buildings |
126 |
1986 |
White River Concrete Arch Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/69/Cotter_Bridge_Spanning_White_River_closeup.jpg/100px-Cotter_Bridge_Spanning_White_River_closeup.jpg) |
1930 |
Cotter 36°16′2″N 92°32′39″W |
Arkansas |
United States |
bridges |
127 |
1986 |
Cranetown Triangulation Site |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Kip%27s_Castle_Park_-_exposed_bedrock.jpg/100px-Kip%27s_Castle_Park_-_exposed_bedrock.jpg) |
1817 |
Cedar Grove 40°49′43.9″N 74°13′27.1″W |
New Jersey |
United States |
surveys & maps |
128 |
1986 |
Eiffel Tower |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Paris_-_Eiffelturm3.jpg/100px-Paris_-_Eiffelturm3.jpg) |
1889 |
Paris 48°51′30.2″N 2°17′40.2″E |
Île-de-France |
France |
buildings |
129 |
1986 |
El Camino Real |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/80/CaminoRealAdentro.png/100px-CaminoRealAdentro.png) |
1598-1800s |
Santa Fe and Mexico City 34°3′38.7″N 106°53′36.6″W |
New Mexico |
United States and Mexico |
roads & rails |
130 |
1986 |
El Camino Real (The Royal Road) Eastern Branch |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/81/Kings_hwy_marker.jpg/100px-Kings_hwy_marker.jpg) |
from 16th century |
San Antonio 29°26′45.8″N 98°30′12.3″W |
Texas |
United States |
roads & rails |
131 |
1986 |
New Castle Ice Harbor |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/07/New_Castle_Ice_Piers_May_10.JPG/100px-New_Castle_Ice_Piers_May_10.JPG) |
1974 |
New Castle 39°39′28″N 75°33′39″W |
Delaware |
United States |
water transportation |
132 |
1986 |
Norris Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Norris-dam-west-tn1.jpg/100px-Norris-dam-west-tn1.jpg) |
1936 |
Knoxville 36°13′28″N 84°5′31.5″W |
Tennessee |
United States |
dams |
133 |
1986 |
San Francisco–Oakland Bay Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/SFOakBrWestPartVEast.jpg/100px-SFOakBrWestPartVEast.jpg) |
1937 |
San Francisco to Oakland 37°47′53.6″N 122°22′40.7″W |
California |
United States |
bridges |
134 |
1986 |
Sewall's Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/York_River_%26_Sewall%27s_Bridge.jpg/100px-York_River_%26_Sewall%27s_Bridge.jpg) |
1761 (rebuilt 1934) |
York 43°8′10.2″N 70°39′38.3″W |
Maine |
United States |
bridges |
135 |
1986 |
Triborough Bridge Project |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/98/Triboro_Bridge_Night_2007.jpg/100px-Triboro_Bridge_Night_2007.jpg) |
1936 |
New York City 40°47′26.6″N 73°55′33.2″W |
New York |
United States |
bridges |
136 |
1986 |
U.S. Army Corps of Engineers Waterways Exp. Station |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Waterways_Experiment_Station_1986.jpg/100px-Waterways_Experiment_Station_1986.jpg) |
1929 |
Vicksburg 32°18′4.2″N 90°52′18″W |
Mississippi |
United States |
research & educational |
137 |
1986 |
U.S. Capitol |
![](//upload.wikimedia.org/wikipedia/commons/thumb/b/b2/United_States_Capitol_-_west_front.jpg/100px-United_States_Capitol_-_west_front.jpg) |
1793, rebuilt 1863 |
Washington 38°53′23″N 77°0′33″W |
District of Columbia |
United States |
buildings |
138 |
1987 |
Allegheny Portage Railroad |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/08/Alpo-incline-trail.jpg/100px-Alpo-incline-trail.jpg) |
1834 |
Hollidaysburg 40°27′23″N 78°33′3.4″W |
Pennsylvania |
United States |
roads & rails |
139 |
1987 |
Bonneville Dam, Columbia River System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/51/BonnevilleDam.jpg/100px-BonnevilleDam.jpg) |
1937 |
Bonneville 45°38′39.7″N 121°56′26.7″W |
Oregon |
United States |
power generation |
140 |
1987 |
Bridges of Keeseville |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Keeseville_stone_bridge.jpg/100px-Keeseville_stone_bridge.jpg) |
1843, 1878, 1888 |
Keeseville 44°30′13.2″N 73°28′57.3″W |
New York |
United States |
bridges |
141 |
1987 |
Dismal Swamp Canal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/97/Great_Dismal_Swamp_Canal.jpg/100px-Great_Dismal_Swamp_Canal.jpg) |
1805 |
Chesapeake to South Mills 36°35′34.1″N 76°23′5.4″W |
Virginia to North Carolina |
United States |
water transportation |
142 |
1987 |
Houston Ship Channel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/7e/Houston_Ship_Channel_Barbours_Cut.jpg/100px-Houston_Ship_Channel_Barbours_Cut.jpg) |
1837–present |
Houston 29°44′35.8″N 95°6′16.5″W |
Texas |
United States |
water transportation |
143 |
1987 |
Kamehameha V Post Office |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Old_Post_Office-Honolulu.jpg/100px-Old_Post_Office-Honolulu.jpg) |
1871 |
Honolulu 21°18′34.6″N 157°51′47.4″W |
Hawaii |
United States |
buildings |
144 |
1987 |
Frisco Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/04/Memphis%2C_Harahan%2C_and_Hernando_de_Soto_Bridges.jpg/100px-Memphis%2C_Harahan%2C_and_Hernando_de_Soto_Bridges.jpg) |
1892 |
Memphis 35°7′43.6″N 90°4′34.7″W |
Tennessee & Arkansas |
United States |
bridges |
145 |
1987 |
Quebec Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Pont_de_Qu%C3%A9bec_vu_du_Parc_aquarium_du_Qu%C3%A9bec.JPG/100px-Pont_de_Qu%C3%A9bec_vu_du_Parc_aquarium_du_Qu%C3%A9bec.JPG) |
1917 |
Quebec City 46°44′45.6″N 71°17′17.3″W |
Quebec |
Canada |
bridges |
146 |
1988 |
Belle Fourche Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/27/Belle_Fourche_Project_-_Dam%2C_Upstream_Face_-_placing_the_paving_-_South_Dakota_-_NARA_-_294654.jpg/100px-Belle_Fourche_Project_-_Dam%2C_Upstream_Face_-_placing_the_paving_-_South_Dakota_-_NARA_-_294654.jpg) |
1911 |
Belle Fourche 44°43′51.3″N 103°40′36.8″W |
South Dakota |
United States |
dams |
147 |
1988 |
École Nationale des Ponts et Chaussées |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/99/%C3%89cole_des_Ponts_ParisTech_01.JPG/100px-%C3%89cole_des_Ponts_ParisTech_01.JPG) |
1747 |
Paris 48°51′20.9″N 2°19′49.9″E |
Île-de-France |
France |
research & educational |
148 |
1988 |
Keokuk Hydro-Power System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Mississippi_River_Lock_and_Dam_Number_19_near_Keokuk_Iowa.jpg/100px-Mississippi_River_Lock_and_Dam_Number_19_near_Keokuk_Iowa.jpg) |
1913 |
Keokuk 40°23′56.6″N 91°21′49″W |
Iowa |
United States |
power generation |
149 |
1988 |
Pennsylvania Turnpike |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Pennsylvania_Turnpike_1942_LOC.jpg/100px-Pennsylvania_Turnpike_1942_LOC.jpg) |
1940 |
40°1′49.9″N 78°29′33.6″W |
Pennsylvania |
United States |
roads & rails |
150 |
1988 |
River des Peres Sewerage & Drainage Works |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/50/River_des_Peres_Lansdowne.jpg/100px-River_des_Peres_Lansdowne.jpg) |
1924 to 1931 |
St. Louis 38°39′42.3″N 90°18′33.9″W |
Missouri |
United States |
water supply & control |
151 |
1988 |
Sydney Harbour Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d1/Sydney_Harbour_Bridge_from_Circular_Quay.jpg/100px-Sydney_Harbour_Bridge_from_Circular_Quay.jpg) |
1932 |
Sydney 33°51′8.1″S 151°12′38.6″E |
New South Wales |
Australia |
bridges |
152 |
1989 |
Royal Colonial Boundary of 1665 |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/1747_Bowen_Map_of_the_Southeastern_United_States_%28Carolina%2C_Georgia%2C_Florida%29_-_Geographicus_-_CarolinaGeorgia-bowen-1747.jpg/100px-1747_Bowen_Map_of_the_Southeastern_United_States_%28Carolina%2C_Georgia%2C_Florida%29_-_Geographicus_-_CarolinaGeorgia-bowen-1747.jpg) |
1728–1819 |
Middlesboro 36°36′2.9″N 83°40′31.5″W |
Kentucky |
United States |
surveys & maps |
153 |
1989 |
Zhaozhou Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Zhaozhou_Bridge.jpg/100px-Zhaozhou_Bridge.jpg) |
605 AD |
Zhaoxian 37°43′12.9″N 114°45′47.7″E |
Hebei |
China |
bridges |
154 |
1990 |
Fort Peck Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Fort_Peck_Dam_%28Fort_Peck_Montana%29_Spillway_01.jpg/100px-Fort_Peck_Dam_%28Fort_Peck_Montana%29_Spillway_01.jpg) |
1940 |
Fort Peck 48°0′10.1″N 106°24′58″W |
Montana |
United States |
dams |
155 |
1990 |
Maria Pia Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/49/Ponte_Maria_Pia_-_Porto.JPG/100px-Ponte_Maria_Pia_-_Porto.JPG) |
1877 |
Oporto 41°8′23.4″N 8°35′49.6″W |
Norte |
Portugal |
bridges |
156 |
1990 |
Salginatobel Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/07/Salginatobel_Bridge_mg_4080.jpg/100px-Salginatobel_Bridge_mg_4080.jpg) |
1930 |
Grisons 46°58′54.4″N 9°43′5.1″E |
Graubünden |
Switzerland |
bridges |
157 |
1991 |
Eddystone Lighthouse |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Phare-d-Eddystone-Rocks.jpg/100px-Phare-d-Eddystone-Rocks.jpg) |
1882 |
off Plymouth 50°11′2″N 4°16′5.1″W |
|
England |
water transportation |
158 |
1991 |
Fritz Engineering Laboratory |
|
1910 |
Bethlehem 40°36′28.9″N 75°22′34.3″W |
Pennsylvania |
United States |
research & educational |
159 |
1991 |
St. Clair Tunnel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/26/St_Clair_River_Tunnel_-_Port_Huron_Michigan.jpg/100px-St_Clair_River_Tunnel_-_Port_Huron_Michigan.jpg) |
1891 |
Port Huron 42°57′32.4″N 82°25′22.2″W |
Michigan |
United States |
tunnels |
160 |
1991 |
Thames Tunnel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/62/Thamestunnel.jpg/100px-Thamestunnel.jpg) |
1843 |
London 51°30′12.7″N 0°3′13.3″W |
|
England |
tunnels |
161 |
1992 |
Acquedotto Traiano-Paolo |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/17/Aqua_traiana_planlatium_2.png/100px-Aqua_traiana_planlatium_2.png) |
110 AD |
Rome 42°3′12.9″N 12°20′18.7″E |
Lazio |
Italy |
water supply & control |
162 |
1992 |
Niagara Falls Suspension Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Rail_Road_Suspension_Bridge_Near_Niagara_Falls.jpg/100px-Rail_Road_Suspension_Bridge_Near_Niagara_Falls.jpg) |
1849, 1855, 1883, 1898, 1941 |
Niagara Gorge 43°5′24.8″N 79°4′3.4″W |
Ontario and New York |
Canada and United States |
bridges |
163 |
1992 |
Duck Creek Aqueduct |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Duck_Creek_Aqueduct.JPG/100px-Duck_Creek_Aqueduct.JPG) |
1846 |
Metamora 39°26′46.1″N 85°7′48″W |
Indiana |
United States |
water supply & control |
164 |
1992 |
Hohokam Canal System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Mesa-Park_of_the_Canals-1875_Mormon_Canal.JPG/100px-Mesa-Park_of_the_Canals-1875_Mormon_Canal.JPG) |
600 - 1450 AD |
Maricopa County 33°26′43.8″N 111°48′56.2″W |
Arizona |
United States |
water supply & control |
165 |
1992 |
San Jacinto Monument |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/94/San_Jacinto_Monument.jpg/100px-San_Jacinto_Monument.jpg) |
1939 |
Houston 29°44′59.5″N 95°4′50.6″W |
Texas |
United States |
buildings |
166 |
1993 |
Blimp Hangars |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/98/Tustin_Blimp_Hangar_No_2.jpg/100px-Tustin_Blimp_Hangar_No_2.jpg) |
1942 |
Tustin 33°42′10.8″N 117°49′26.3″W |
California |
United States |
aviation |
167 |
1993 |
Denison Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/DenisonDam_01-2006.jpg/100px-DenisonDam_01-2006.jpg) |
1943 |
Denison 33°49′52.6″N 96°34′16″W |
Texas & Oklahoma |
United States |
dams |
168 |
1993 |
Hanford B Reactor |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Hanford_B_Reactor.jpg/100px-Hanford_B_Reactor.jpg) |
1944 |
Richland 46°37′49.1″N 119°38′50.3″W |
Washington |
United States |
power generation |
169 |
1993 |
Stevens Pass Railroad Tunnels & Switchback System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/cc/CascadeTunnelWestPortal.jpg/100px-CascadeTunnelWestPortal.jpg) |
1900 |
Stevens Pass 47°44′52.4″N 121°7′26.3″W |
Washington |
United States |
tunnels |
170 |
1994 |
Colorado River Aqueduct |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Wpdms_shdrlfi020l_colorado_river_aqueduct.jpg/100px-Wpdms_shdrlfi020l_colorado_river_aqueduct.jpg) |
1933–1941 |
Blythe 34°17′23.6″N 114°10′19.5″W |
California |
United States |
water supply & control |
171 |
1994 |
Kavanagh Building |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/21/Kavanagh_building_15-11-2005.jpg/100px-Kavanagh_building_15-11-2005.jpg) |
1936 |
Buenos Aires 34°35′43.7″S 58°22′28.9″W |
|
Argentina |
buildings |
172 |
1994 |
Missouri River Bridges |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/14/CHAMBERLAIN_BRIDGE.jpg/100px-CHAMBERLAIN_BRIDGE.jpg) |
1926 |
Chamberlain 43°48′42.1″N 99°20′16.1″W |
South Dakota |
United States |
bridges |
173 |
1995 |
Red Hill Underground Fuel Storage Facility |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/af/Redhillops.jpg/100px-Redhillops.jpg) |
1943 |
Honolulu 21°22′18″N 157°53′44″W |
Hawaii |
United States |
tunnels |
174 |
1994 |
Viaducto del Malleco |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Malleco_viaduct2.jpg/100px-Malleco_viaduct2.jpg) |
1890 |
Malleco River 37°57′47″S 72°26′20″W |
Central Chile |
Chile |
bridges |
175 |
1994 |
White Pass and Yukon Route |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/78/Yukon_railway.svg/100px-Yukon_railway.svg.png) |
1900 |
Whitehorse, Yukon to Skagway, Alaska 59°37′28″N 135°8′18.3″W |
Yukon Territory to Alaska |
Canada & United States |
roads & rails |
176 |
1995 |
Alaska Highway |
![](//upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Alaska_Highway1.png/100px-Alaska_Highway1.png) |
1942 |
Dawson Creek to Delta Junction 59°54′39.6″N 131°33′20.6″W |
British Columbia to Alaska |
Canada & United States |
roads & rails |
177 |
1995 |
Banaue Rice Terraces |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Banaue-terrace.JPG/100px-Banaue-terrace.JPG) |
100 BC |
Banaue 16°55′57.4″N 121°3′30.1″E |
Ifugao |
Philippines |
water supply & control |
178 |
1995 |
Acueducto de Queretaro |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/Acueducto_de_Quer%C3%A9taro.tec.jpg/100px-Acueducto_de_Quer%C3%A9taro.tec.jpg) |
1738 |
Querétaro 20°35′48″N 100°22′20.6″W |
|
Mexico |
water supply & control |
179 |
1995 |
Victoria Falls Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6b/Victoria_Falls_Bridge_over_Zambesi.jpg/100px-Victoria_Falls_Bridge_over_Zambesi.jpg) |
1905 |
Zambezi River 17°55′41.7″S 25°51′26.1″E |
|
Zimbabwe & Zambia |
bridges |
180 |
1996 |
Armour-Swift-Burlington Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Asb-bridge.jpg/100px-Asb-bridge.jpg) |
1912 |
Kansas City 39°7′0″N 94°34′47.5″W |
Missouri |
United States |
bridges |
181 |
1996 |
Dublin-Belfast railway line |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Botanic_railway_station_1.jpg/100px-Botanic_railway_station_1.jpg) |
1839 |
Dublin to Belfast 53°43′0″N 6°20′15″W |
|
Ireland & Northern Ireland |
roads & rails |
182 |
1996 |
Kentucky Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Kentucky-dam-spillway-tva1.jpg/100px-Kentucky-dam-spillway-tva1.jpg) |
1944 |
Gilbertsville 37°0′46.4″N 88°16′10.1″W |
Kentucky |
United States |
dams |
183 |
1996 |
Lake Moeris Quarry Road |
|
2575-2137 BC |
Lake Moeris 29°37′24.2″N 30°38′40.4″E |
|
Egypt |
roads & rails |
184 |
1996 |
City Plan of Philadelphia |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6a/A_Map_of_Philadelphia_and_Parts_Adjacent_vc6b.1.jpg/100px-A_Map_of_Philadelphia_and_Parts_Adjacent_vc6b.1.jpg) |
1682 |
Philadelphia 39°57′28.6″N 75°10′14.2″W |
Pennsylvania |
United States |
surveys & maps |
185 |
1996 |
San Antonio River Walk & Flood Control System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Riverwalk20.jpg/100px-Riverwalk20.jpg) |
1929 to 1941 |
San Antonio 29°25′30.7″N 98°29′29.7″W |
Texas |
United States |
water control & supply |
186 |
1997 |
Grand Coulee Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Grand_Coulee_Dam.jpg/100px-Grand_Coulee_Dam.jpg) |
1941 |
Grand Coulee 47°57′23.8″N 118°58′51.6″W |
Washington |
United States |
dams |
187 |
1997 |
Lake Washington Ship Canal & Hiram M. Chittenden Locks |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/45/Lake_Washington_ship_canal%2C_Hiram_M._Chittenden_Locks%2C_1995.jpg/100px-Lake_Washington_ship_canal%2C_Hiram_M._Chittenden_Locks%2C_1995.jpg) |
1917 |
Seattle 47°39′55.7″N 122°23′49.6″W |
Washington |
United States |
water transportation |
188 |
1997 |
Navajo Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Navajo_Bridge_%28May_2006%29.jpg/100px-Navajo_Bridge_%28May_2006%29.jpg) |
1929 |
Page 36°49′3.4″N 111°37′52.3″W |
Arizona |
United States |
bridges |
189 |
1997 |
North Island Main Trunk Railway |
![](//upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Northisland_NZ_NIMT.png/100px-Northisland_NZ_NIMT.png) |
1885–1908 |
Auckland to Wellington 39°13′39.8″S 175°23′55.5″E |
North Island |
New Zealand |
roads & rails |
190 |
1997 |
Northampton Street Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Easton-free-bridge.png/100px-Easton-free-bridge.png) |
1896 |
Easton to Phillipsburg 40°41′29.3″N 75°12′14.4″W |
Pennsylvania & New Jersey |
United States |
bridges |
191 |
1997 |
Snowy Mountains Scheme |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Tumut3GeneratingStation.jpg/100px-Tumut3GeneratingStation.jpg) |
1974 |
Snowy Mountains 35°36′40.1″S 148°17′29.8″E |
New South Wales |
Australia |
power generation |
192 |
1997 |
Texas Commerce Bank Building (formerly Gulf, now Chase) |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/18/The_Gulf_Building_Houston_Texas.jpg/100px-The_Gulf_Building_Houston_Texas.jpg) |
1929 |
Houston 29°45′32″N 95°21′49.7″W |
Texas |
United States |
buildings |
193 |
1997 |
Walnut Street Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Peoples_bridge_Susquehanna.JPG/100px-Peoples_bridge_Susquehanna.JPG) |
1890 |
Harrisburg 40°15′27.1″N 76°53′9.8″W |
Pennsylvania |
United States |
bridges |
194 |
1998 |
Brooks AFB, Old Hangar 9 |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d5/Brooksafb-2.jpg/100px-Brooksafb-2.jpg) |
1918 |
San Antonio 29°20′38.5″N 98°26′38.9″W |
Texas |
United States |
aviation |
195 |
1998 |
Canton Viaduct |
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/32/Canton_Viaduct.jpg/100px-Canton_Viaduct.jpg) |
1835 |
Canton 42°9′28.8″N 71°9′14.5″W |
Massachusetts |
United States |
bridges |
196 |
1998 |
Göta Canal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e6/La2-bergs.jpg/100px-La2-bergs.jpg) |
1810 to 1832 |
Gothenburg 58°29′53.9″N 16°10′28.9″E |
Västra Götaland |
Sweden |
water transportation |
197 |
1998 |
Moseley Wrought Iron Arch Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Moseley1.jpg/100px-Moseley1.jpg) |
1864 |
North Andover 42°40′8.6″N 71°7′21.3″W |
Massachusetts |
United States |
bridges |
198 |
1998 |
Tehachapi Pass Railroad Line |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/ATSF_19870400_CA_Walong.jpg/100px-ATSF_19870400_CA_Walong.jpg) |
1876 |
Kern County 35°12′3″N 118°32′13″W |
California |
United States |
roads & rails |
199 |
1999 |
Acueducto de Segovia |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/AcueductoSegovia_edit1.jpg/100px-AcueductoSegovia_edit1.jpg) |
50 AD |
Segovia 40°56′52.7″N 4°7′4.3″W |
Castile and León |
Spain |
water supply & control |
200 |
1999 |
Arroyo Seco Parkway |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/ArroyoSecoPkwy%28CA110%291940.jpg/100px-ArroyoSecoPkwy%28CA110%291940.jpg) |
1940 |
Los Angeles 34°4′23″N 118°14′2″W |
California |
United States |
roads & rails |
201 |
1999 |
Blue Ridge Parkway |
![](//upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Blue_Ridge_Parkway-27527.jpg/100px-Blue_Ridge_Parkway-27527.jpg) |
begun 1935 |
Shenandoah NP to Great Smokey Mountains NP 36°26′28.5″N 81°5′42.9″W |
Virginia to North Carolina |
United States |
roads & rails |
202 |
1999 |
Cape Hatteras Lighthouse |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/USCGHatteras.jpg/100px-USCGHatteras.jpg) |
1870 |
Cape Hatteras 35°15′2″N 75°31′43.7″W |
North Carolina |
United States |
water transportation |
203 |
1999 |
Maine Turnpike |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Interstate_95_northbound%2C_Kittery_ME.jpg/100px-Interstate_95_northbound%2C_Kittery_ME.jpg) |
1947 |
43°21′17.2″N 70°35′26.2″W |
Maine |
United States |
roads & rails |
204 |
1999 |
McNeill Street Pumping Station |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/78/Shreveport_Water_Works_Museum_December_2017_14.jpg/100px-Shreveport_Water_Works_Museum_December_2017_14.jpg) |
1887 |
Shreveport 32°31′3.8″N 93°45′25.9″W |
Louisiana |
United States |
water supply & control |
205 |
2000 |
Cedar Falls Hydroelectric Project |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Seattle_water_supply_intake_and_wing_dam_-_1900.jpg/100px-Seattle_water_supply_intake_and_wing_dam_-_1900.jpg) |
1901 |
Seattle 47°25′9.2″N 121°46′54.4″W |
Washington |
United States |
power generation |
206 |
2000 |
Forth and Clyde Canal and Union Canal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/3d/Forth_%26_Clyde_Canal%2C_Bonnybridge_-_Larbert.jpg/100px-Forth_%26_Clyde_Canal%2C_Bonnybridge_-_Larbert.jpg) |
1790 |
55°56′18″N 4°9′18.8″W |
|
Scotland |
water transportation |
207 |
2000 |
Hagia Sophia |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Aya_sofya.jpg/100px-Aya_sofya.jpg) |
537 AD |
Istanbul 41°0′31.2″N 28°58′48.6″E |
Istanbul |
Turkey |
buildings |
208 |
2000 |
Muskingum River Navigation System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Muskingum_River_Canal_at_Zanesville.jpg/100px-Muskingum_River_Canal_at_Zanesville.jpg) |
1837 |
Zanesville 39°43′59.5″N 81°54′29.4″W |
Ohio |
United States |
water transportation |
209 |
2000 |
Seventh Street Improvement Arches |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/af/Seventh_St_Improvement_Arches.jpg/100px-Seventh_St_Improvement_Arches.jpg) |
1909 |
St. Paul 44°57′23″N 93°4′38″W |
Minnesota |
United States |
bridges |
210 |
2000 |
West Baden Springs Hotel |
![](//upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Inside_West_Baden_Dome.JPG/100px-Inside_West_Baden_Dome.JPG) |
1902 |
West Baden Springs 38°34′1.3″N 86°37′6.6″W |
Indiana |
United States |
buildings |
211 |
2001 |
Bunker Hill Covered Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Bunker_Hill_Bridge_NC.jpg/100px-Bunker_Hill_Bridge_NC.jpg) |
1895, rebuilt 1994 |
Claremont 35°43′17.5″N 81°6′54.8″W |
North Carolina |
United States |
bridges |
212 |
2001 |
Galveston Seawall and Grade Raising |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1e/No._3%2C_Sea_Wall%2C_From_West_of_Rapid_Fire_Battery%2C_Fort_Crockett_-_NARA_-_278143.jpg/100px-No._3%2C_Sea_Wall%2C_From_West_of_Rapid_Fire_Battery%2C_Fort_Crockett_-_NARA_-_278143.jpg) |
1904 (expanded through 1963) |
Galveston 29°18′9″N 94°46′27″W |
Texas |
United States |
water supply & control |
213 |
2001 |
Baltimore & Ohio Roundhouse & Shop Complex |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/B%26O_Roundhouse.jpg/100px-B%26O_Roundhouse.jpg) |
1842 to 1850s |
Martinsburg 39°27′33″N 77°57′36″W |
West Virginia |
United States |
buildings |
214 |
2002 |
Conwy Suspension Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Telford%27s_Bridge%2C_Conwy.jpg/100px-Telford%27s_Bridge%2C_Conwy.jpg) |
1826 |
Conwy 53°16′49.7″N 3°49′25.6″W |
Conwy |
Wales |
bridges |
215 |
2002 |
Conwy Tubular Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Conwy_Castle_and_Railway_Bridge.jpg/100px-Conwy_Castle_and_Railway_Bridge.jpg) |
1849 |
Conwy 53°16′49″N 3°49′25″W |
Conwy |
Wales |
bridges |
216 |
2002 |
Dorton Arena |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/81/Dorton_Arena.jpg/100px-Dorton_Arena.jpg) |
1952 |
Raleigh 35°47′38.4″N 78°42′37.3″W |
North Carolina |
United States |
buildings |
217 |
2002 |
East Maui Irrigation System |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Starr-090413-5788-Ananas_comosus-abandoned_fields-Hamakua_Ditch_Pukalani-Maui_%2824858050391%29.jpg/100px-Starr-090413-5788-Ananas_comosus-abandoned_fields-Hamakua_Ditch_Pukalani-Maui_%2824858050391%29.jpg) |
1876 to 1923 |
East Maui 20°52′0″N 156°13′0″W |
Hawaii |
United States |
water supply & control |
218 |
2002 |
Five Stone Arch Bridges |
![](//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Second_New_Hampshire_Turnpike_Bridge.jpg/100px-Second_New_Hampshire_Turnpike_Bridge.jpg) |
1830 to 1866 |
Hillsborough 43°7′49″N 71°56′41.1″W |
New Hampshire |
United States |
bridges |
219 |
2002 |
Louisville and Portland Canal Locks & Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/94/Portland1850s.jpg/100px-Portland1850s.jpg) |
1830, rebuilt 1962 |
Louisville 38°16′18.5″N 85°46′45.6″W |
Kentucky |
United States |
water transportation |
220 |
2002 |
Marshall Building |
|
1906 |
Milwaukee 43°2′0.9″N 87°54′31.2″W |
Wisconsin |
United States |
buildings |
221 |
2002 |
Menai Suspension Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Menai_Suspension_Bridge.jpg/100px-Menai_Suspension_Bridge.jpg) |
1826 |
Anglesey 53°13′13.1″N 4°9′48.1″W |
|
Wales |
bridges |
222 |
2002 |
Old Cape Henry Light, |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Old_Cape_Henry_Light_NPS.jpg/100px-Old_Cape_Henry_Light_NPS.jpg) |
1792, replaced 1881 |
Virginia Beach 36°55′32.8″N 76°0′29.3″W |
Virginia |
United States |
water transportation |
223 |
2002 |
Portland Head Light |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/9d/Portland_Headlight_2000_3.jpg/100px-Portland_Headlight_2000_3.jpg) |
1787 |
Cape Elizabeth 43°37′23.2″N 70°12′28.4″W |
Maine |
United States |
water transportation |
224 |
2002 |
Shannon Hydroelectric Scheme |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Ardnacrusha.jpg/100px-Ardnacrusha.jpg) |
1929 |
52°42′20″N 8°36′46″W |
|
Ireland |
power generation |
225 |
2002 |
Waldo-Hancock Suspension Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/b/b9/HAER_WaldoHancock_03_320292pv.jpg/100px-HAER_WaldoHancock_03_320292pv.jpg) |
1931 |
Bucksport 44°33′37.6″N 68°48′5.9″W |
Maine |
United States |
bridges |
226 |
2003 |
Horseshoe Curve |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Horseshoe_Curve_aerial_photo%2C_March_2006.jpg/100px-Horseshoe_Curve_aerial_photo%2C_March_2006.jpg) |
1854 |
Altoona 40°29′54″N 78°29′9.1″W |
Pennsylvania |
United States |
roads & rails |
227 |
2003 |
Suez Canal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/8f/SuezCanalElGuisr.jpg/100px-SuezCanalElGuisr.jpg) |
1869 |
Port Said to Suez 30°42′18″N 32°20′39″E |
|
Egypt |
water transportation |
228 |
2003 |
Tennessee State Capitol |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/15/Tennessee_State_Capitol_2009.jpg/100px-Tennessee_State_Capitol_2009.jpg) |
1845 to 1877 |
Nashville 36°9′57.1″N 86°47′3.4″W |
Tennessee |
United States |
buildings |
229 |
2004 |
Hwaseong Fortress |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Bifyu_8.jpg/100px-Bifyu_8.jpg) |
1796 |
Suwon 37°17′0″N 127°0′57.6″E |
Gyeonggi-do |
Republic of Korea |
buildings |
230 |
2004 |
Mesa Verde Reservoirs |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/97/249FarViewReservoir.JPG/100px-249FarViewReservoir.JPG) |
750 to 1180 AD |
Montezuma County 37°14′26.3″N 108°30′16.7″W |
Colorado |
United States |
water supply & control |
231 |
2004 |
Northern Pacific High Line Bridge No 64 |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/View_North_To_High_Bridge_-1908.JPG/100px-View_North_To_High_Bridge_-1908.JPG) |
1908 |
Valley City 46°56′18.9″N 97°59′26.9″W |
North Dakota |
United States |
bridges |
232 |
2004 |
Old Wisla Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/89/Tczew_Mosty.jpg/100px-Tczew_Mosty.jpg) |
|
Tczew 54°5′33.7″N 18°48′22.2″E |
Vistula River |
Poland |
bridges |
233 |
2005 |
Great Western Railway |
![Bristol Temple Meads Station](//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Bristol_Temple_Meads_railway_station_train-shed_engraving.jpg/100px-Bristol_Temple_Meads_railway_station_train-shed_engraving.jpg) |
1838 |
51°37′16.2″N 1°21′26.8″W |
|
England & Wales |
roads & rails |
234 |
2005 |
Philadelphia City Hall |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/City_Hall_Philadelphia.jpg/100px-City_Hall_Philadelphia.jpg) |
1901 |
Philadelphia 39°57′10.1″N 75°9′48.8″W |
Pennsylvania |
United States |
buildings |
235 |
2005 |
Sweetwater Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/72/PostcardSanDiegoCASweetwaterDam1907.jpg/100px-PostcardSanDiegoCASweetwaterDam1907.jpg) |
1888 |
Spring Valley 32°41′29.8″N 117°0′29.2″W |
California |
United States |
dams |
236 |
2005 |
Stanley Hydraulics Laboratory at the University of Iowa |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/23/Stanley_Hydraulics_Laboratory_at_University_of_Iowa.jpg/100px-Stanley_Hydraulics_Laboratory_at_University_of_Iowa.jpg) |
established 1919 |
Iowa City 41°39′25.8″N 91°32′29″W |
Iowa |
United States |
research & educational |
237 |
2006 |
Machu Picchu |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/13/Before_Machu_Picchu.jpg/100px-Before_Machu_Picchu.jpg) |
1460 AD |
13°9′48″S 72°32′44″W |
|
Peru |
urban development |
238 |
2006 |
Portland Observatory |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/18/Portland_Observatory_5-30-2005.JPG/100px-Portland_Observatory_5-30-2005.JPG) |
1807 |
Portland 43°39′55.4″N 70°14′53.7″W |
Maine |
United States |
water transportation |
239 |
2006 |
Tipon |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/73/20090903_Tipon_Terrassen.JPG/100px-20090903_Tipon_Terrassen.JPG) |
1200 - 1534 AD |
13°34′15″S 71°46′59″W |
|
Peru |
water supply & control |
240 |
2007 |
Caledonian Canal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/10/Gairlochybottom-26Jl6-5718.jpg/100px-Gairlochybottom-26Jl6-5718.jpg) |
1822 |
Great Glen 57°6′44.9″N 4°44′18.8″W |
|
Scotland |
water transportation |
241 |
2007 |
Craigellachie Bridge Moray |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Craigellachie_bridge_side_on.jpg/100px-Craigellachie_bridge_side_on.jpg) |
1814 |
Strathspey 57°29′28.8″N 3°11′38″W |
|
Scotland |
bridges |
242 |
2008 |
Choate Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/94/Choate_Bridge.jpg/100px-Choate_Bridge.jpg) |
1764 |
Ipswich 42°40′46.1″N 70°50′13.6″W |
Massachusetts |
United States |
bridges |
243 |
2008 |
Goldfields Water Supply |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Mundaring_Weir_SMC9.jpg/100px-Mundaring_Weir_SMC9.jpg) |
1903 |
Kalgoorlie 31°57′36″S 116°10′16.7″E |
Western Australia |
Australia |
water supply & control |
244 |
2008 |
Lacey V. Murrow Bridge and Mount Baker Ridge Tunnels |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Murrow_Memorial_Bridge_07747.JPG/100px-Murrow_Memorial_Bridge_07747.JPG) |
1940 |
King County 47°35′23.2″N 122°16′44.3″W |
Washington |
United States |
bridges |
245 |
2008 |
Woodhead Dam |
![Woodhead Dam](//upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Woodhead_Dam_Wall_Table_Mountain_Cape_Town.JPG/100px-Woodhead_Dam_Wall_Table_Mountain_Cape_Town.JPG) |
1897 |
Cape Town 33°58′38.2″S 18°24′7.9″E |
Western Cape |
South Africa |
dams |
246 |
2009 |
Guayabo Ceremonial Center |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/af/Monumento_Nacional_Guayabo_%28SLiM%29_001.jpg/100px-Monumento_Nacional_Guayabo_%28SLiM%29_001.jpg) |
300 BC - AD 1400 |
Turrialba 9°58′21.7″N 83°41′26.6″W |
Turrialba |
Costa Rica |
civil engineering profession |
247 |
2009 |
Vancouver's Mapping of the West Coast of North America |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/86/George_Vancouver_Statue_Kings_Lynn.jpg/100px-George_Vancouver_Statue_Kings_Lynn.jpg) |
1791–1795 |
45°0′0″N 124°0′43″W |
|
Canada, Mexico and United States |
surveys & maps |
248 |
2009 |
Poughkeepsie-Highland Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/PokRailBridgeEast.jpg/100px-PokRailBridgeEast.jpg) |
1886–1888 |
Poughkeepsie 41°42′38.5″N 73°56′41.1″W |
New York |
United States |
bridges |
249 |
2009 |
Manhattan Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Manhattan_Bridge_from_Fulton_Landing_Park.JPG/100px-Manhattan_Bridge_from_Fulton_Landing_Park.JPG) |
1909 |
New York City 40°42′27″N 73°59′26.9″W |
New York |
United States |
bridges |
250 |
2009 |
Queensboro Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Ed_koch_edited.jpg/100px-Ed_koch_edited.jpg) |
1909 |
New York City 40°45′24.2″N 73°57′15.1″W |
New York |
United States |
bridges |
251 |
2009 |
Williamsburg Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Above_Williamsburg_Bridge.jpg/100px-Above_Williamsburg_Bridge.jpg) |
1903 |
New York City 40°42′49.2″N 73°58′20.5″W |
New York |
United States |
bridges |
252 |
2010 |
Mackinac Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Mackinac_Bridge.jpg/100px-Mackinac_Bridge.jpg) |
1958 |
Straits of Mackinac 45°48′48.8″N 84°43′42″W |
Michigan |
United States |
bridges |
253 |
2010 |
Rensselaer Polytechnic Institute |
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/3b/TroyBuildingPanorama.jpg/100px-TroyBuildingPanorama.jpg) |
1824 |
Troy 42°43′48″N 73°40′39″W |
New York |
United States |
research & educational |
254 |
2010 |
Thomas Viaduct Railroad Bridge[8] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/31/Thomas-viaduct-1.jpg/100px-Thomas-viaduct-1.jpg) |
1835 |
Elkridge and Relay 39°13′17.5″N 76°42′48.1″W |
Maryland |
United States |
bridges |
255 |
2011 |
Utica Memorial Auditorium |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d9/Utica_Memorial_Auditorium_Exterior-_December_15%2C_2013.jpg/100px-Utica_Memorial_Auditorium_Exterior-_December_15%2C_2013.jpg) |
1959 |
Utica 43°6′17.9″N 75°14′0.5″W |
New York |
United States |
buildings |
256 |
2011 |
Tacoma Narrows Bridges[9] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/57/Tacoma_Narrows_Bridge%2C_Spring-Summer_1967.jpg/100px-Tacoma_Narrows_Bridge%2C_Spring-Summer_1967.jpg) |
1940-1950 |
Tacoma 47°16′8″N 122°33′3″W |
Washington |
United States |
bridges |
257 |
2011 |
Flight of Five Locks |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Lock_2_Waterford.JPG/100px-Lock_2_Waterford.JPG) |
1915 |
Waterford 42°48′2.8″N 73°41′29.1″W |
New York |
United States |
water transportation |
258 |
2011 |
Petra |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Petra_Jordan_BW_21.JPG/100px-Petra_Jordan_BW_21.JPG) |
309 BC |
30°19′43″N 35°26′31″E |
Ma'an Governorate |
Jordan |
buildings |
259 |
2012 |
Zion-Mount Carmel Tunnel and Highway |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/db/West_entrance_to_Zion_Tunnel._Zion_Tunnel_is_6000_feet_long%2C_cut_through_solid_sandstone._It_is_said_to_be_the..._-_NARA_-_520396.tif/lossy-page1-100px-West_entrance_to_Zion_Tunnel._Zion_Tunnel_is_6000_feet_long%2C_cut_through_solid_sandstone._It_is_said_to_be_the..._-_NARA_-_520396.tif.jpg) |
1930 |
Zion National Park 37°12′40.7″N 112°57′29.6″W |
Utah |
United States |
roads & rails |
260 |
2012 |
Huey P. Long Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Hueylongbridge.jpg/100px-Hueylongbridge.jpg) |
1935 |
Jefferson Parish 29°56′38.8″N 90°10′7.6″W |
Louisiana |
United States |
bridges |
261 |
2012 |
Grand Central Terminal |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/71/Image-Grand_central_Station_Outside_Night_2.jpg/100px-Image-Grand_central_Station_Outside_Night_2.jpg) |
1913 |
New York City 40°45′10.3″N 73°58′37.9″W |
New York |
United States |
roads & rails |
262 |
2013 |
Titan Clydebank crane |
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Clydebank_Titan_Crane_-_geograph.org.uk_-_1069892.jpg/100px-Clydebank_Titan_Crane_-_geograph.org.uk_-_1069892.jpg) |
1907 |
Clydebank 55°53′50.5″N 4°24′31.2″W |
West Dunbartonshire |
Scotland |
buildings |
263 |
2013 |
Waterford Bridges |
![Troy-Waterford Bridge](//upload.wikimedia.org/wikipedia/commons/thumb/5/57/Troy_Waterford_Bridge_20091022.jpg/100px-Troy_Waterford_Bridge_20091022.jpg) |
1909 |
Troy and Waterford 42°47′19.3″N 73°40′25.8″W |
New York |
United States |
bridges |
264 |
2013 |
Lake Pontchartrain Causeway |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lake_Pontchartrain_Causeway.jpg/100px-Lake_Pontchartrain_Causeway.jpg) |
1956 |
Lake Pontchartrain 30°11′59.2″N 90°7′21.7″W |
Louisiana |
United States |
bridges |
265 |
2014 |
The Dalles Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Epa-archives_the_dalles_dam-cropped.jpg/100px-Epa-archives_the_dalles_dam-cropped.jpg) |
1957 |
Columbia River 45°36′50.3″N 121°8′3″W |
Oregon & Washington |
United States |
dams |
266 |
2015 |
Gladesville Bridge |
![](//upload.wikimedia.org/wikipedia/commons/thumb/b/bd/GladesvilleBridge.jpg/100px-GladesvilleBridge.jpg) |
1964 |
Sydney 33°50′31.3″S 151°8′51.8″E |
New South Wales |
Australia |
bridges |
267 |
2016 |
Cape Agulhas Lighthouse |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/AgulhasLighthouse.jpg/100px-AgulhasLighthouse.jpg) |
1848 |
L'Agulhas 34°49′45.7″S 20°0′32.4″E |
|
South Africa |
water transportation |
268 |
2016 |
Arrowrock Dam |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/17/-IDAHO-A-0147-_Arrowrock_Dam_%285503143520%29.jpg/100px--IDAHO-A-0147-_Arrowrock_Dam_%285503143520%29.jpg) |
1912 |
Boise and Elmore 43°35′43″N 115°55′21.1″W |
Idaho |
United States |
dams |
269 |
2016 |
All-American Canal[10] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/39/FEMA_-_44635_-_American_Canal_in_California.jpg/100px-FEMA_-_44635_-_American_Canal_in_California.jpg) |
1940 |
Imperial County 32°52′59″N 114°27′54″W |
California |
United States |
water supply & control |
270 |
2016 |
Canal du Midi[11] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/56/20050520_Jaune-Vert.jpg/100px-20050520_Jaune-Vert.jpg) |
1681 |
Toulouse to Étang de Thau 43°12′52.9″N 2°25′49.8″E |
Occitania |
France |
water transportation |
271 |
2016 |
Liverpool and Manchester Railway[12] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/View_of_the_Railway_across_Chat_Moss%2C_from_Bury%27s_Liverpool_and_Manchester_Railway%2C_1831_-_artfinder_267570_full_1024x836.jpg/100px-View_of_the_Railway_across_Chat_Moss%2C_from_Bury%27s_Liverpool_and_Manchester_Railway%2C_1831_-_artfinder_267570_full_1024x836.jpg) |
1830 |
Liverpool to Manchester 53°27′10.8″N 2°36′58.6″W |
North West England |
England |
roads & rails |
272 |
2017 |
Bonnet Carré Spillway |
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/42/BonnetCarreOpeningDay.jpg/100px-BonnetCarreOpeningDay.jpg) |
1931 |
St. Charles Parish 30°0′7.2″N 90°26′23.3″W |
Louisiana |
United States |
dams |
273 |
2017 |
Duluth Aerial Ferry/Lift Bridge[13] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/7e/Duluth_Lift_Bridge%2C_Minnesota.jpg/100px-Duluth_Lift_Bridge%2C_Minnesota.jpg) |
1905 |
Duluth 46°46′45.8″N 92°5′35.3″W |
Minnesota |
United States |
bridges |
274 |
2017 |
Mississippi River Basin Model[14] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/7a/MissBasinModel_Color_Aerial_800x538.jpg/100px-MissBasinModel_Color_Aerial_800x538.jpg) |
1966 |
Jackson 32°18′21.8″N 90°19′8.2″W |
Mississippi |
United States |
research & educational |
275 |
2017 |
Chaffey Brothers Irrigation Works[15] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/MilduraPsycheBendPumpHouse.JPG/100px-MilduraPsycheBendPumpHouse.JPG) |
1887 |
Mildura and Renmark 34°15′1.6″S 142°13′28.8″E |
Victoria and South Australia |
Australia |
water supply & control |
276 |
2017 |
Qhapaq Ñan: The Great Inka Road System[16] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Qapaq_Nan_at_Mosollaqta_lake_DSC_2822.jpg/100px-Qapaq_Nan_at_Mosollaqta_lake_DSC_2822.jpg) |
1000 BC - 1533 AD |
13°13′0.3″S 72°23′5.2″W |
|
Colombia to Chile |
roads & rails |
277 |
2017 |
Tunnel of Eupalinos[17] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/f/fc/%CE%95%CF%85%CF%80%CE%B1%CE%BB%CE%AF%CE%BD%CE%B5%CE%B9%CE%BF_%CF%8C%CF%81%CF%85%CE%B3%CE%BC%CE%B1_10.jpg/100px-%CE%95%CF%85%CF%80%CE%B1%CE%BB%CE%AF%CE%BD%CE%B5%CE%B9%CE%BF_%CF%8C%CF%81%CF%85%CE%B3%CE%BC%CE%B1_10.jpg) |
520 BC |
Samos 37°41′40.6″N 26°55′48″E |
North Aegean |
Greece |
tunnels |
278 |
2018 |
Augusta Canal and Industrial District |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Augusta_Canal_%28Augusta%2C_Georgia%29.jpg/100px-Augusta_Canal_%28Augusta%2C_Georgia%29.jpg) |
1845 |
Augusta 33°31′17.6″N 82°0′38.9″W |
Georgia |
United States |
power generation |
279 |
2018 |
Old River Station[18] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/3d/VIEW_LOOKING_WEST%2C_GENERAL_ELEVATION_ENTRANCE_FACADE_-_River_Pumping_Station%2C_Cincinnati_Water_Works%2C_5800_Kellogg_Avenue%2C_California_District%2C_Cincinnati%2C_Hamilton_County%2C_OH_HAER_OHIO%2C31-CINT%2C46A-1.tif/lossy-page1-100px-thumbnail.tif.jpg) |
1907 |
Cincinnati 39°4′17″N 84°25′40″W |
Ohio |
United States |
water supply & control |
280 |
2018 |
Boundary Layer Wind Tunnel Laboratory[19] |
|
1965 |
London 43°0′14″N 81°16′32.5″W |
Ontario |
Canada |
research & educational |
281 |
2018 |
Institution of Civil Engineers[20] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/8/81/Instituion_of_Civil_Engineers.jpg/100px-Instituion_of_Civil_Engineers.jpg) |
1818 |
London 51°30′4″N 0°7′44.4″W |
|
England |
research & educational |
282 |
2018 |
Union Chain Bridge[21] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Union_Chain_Bridge_-_panoramio.jpg/100px-Union_Chain_Bridge_-_panoramio.jpg) |
1820 |
Horncliffe to Fishwick 55°45′9.3″N 2°6′24.4″W |
|
England to Scotland |
bridges |
283 |
2019 |
Kaibab Trail Suspension Bridge[22] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Grand_Canyon_National_Park_-_Kaibab_Suspension_Bridge_8578_%2850545226278%29.jpg/100px-Grand_Canyon_National_Park_-_Kaibab_Suspension_Bridge_8578_%2850545226278%29.jpg) |
1928 |
Grand Canyon 36°6′53.2″N 112°5′21.1″W |
Arizona |
United States |
bridges |
284 |
2019 |
Union Pacific Railroad[23] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Union_Pacific_6900_%284399452399%29.jpg/100px-Union_Pacific_6900_%284399452399%29.jpg) |
1868 |
Omaha westward 41°15′0.9″N 95°55′37.4″W |
Nebraska |
United States |
roads & rails |
285 |
2019 |
Silver Bridge Collapse - Creation of National Inspection Standards[24] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Silver_Bridge_Collapse_Signage_%285070040586%29.jpg/100px-Silver_Bridge_Collapse_Signage_%285070040586%29.jpg) |
1967 |
Point Pleasant 38°50′42″N 82°8′28″W |
West Virginia |
United States |
bridges |
286 |
2020 |
NASA Vehicle Assembly Building[25] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/02/VAB_exterior_and_LCC.jpg/100px-VAB_exterior_and_LCC.jpg) |
1966 |
Titusville 28°35′11″N 80°39′5″W |
Florida |
United States |
buildings |
287 |
2021 |
Main Avenue Bridge[26] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Main_Avenue_Bridge_Looking_West%2C_Cleveland%2C_Ohio_Vintage_Postcard.jpg/100px-Main_Avenue_Bridge_Looking_West%2C_Cleveland%2C_Ohio_Vintage_Postcard.jpg) |
1939 |
Cleveland 41°29′55.2″N 81°42′18.5″W |
Ohio |
United States |
bridges |
288 |
2021 |
Sydney Opera House[15] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/7b/Sydney_Opera_House_construction_1968.jpg/100px-Sydney_Opera_House_construction_1968.jpg) |
1973 |
Sydney 33°51′24″S 151°12′55″E |
New South Wales |
Australia |
buildings |
289 |
2022 |
David Thompson's Surveying and Mapping of the Northwest of North America[27] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/1/17/1814ThompsonMap.jpg/100px-1814ThompsonMap.jpg) |
1814 |
|
|
Canada & United States |
surveys & maps |
290 |
2022 |
Portage Lake Bridge[28] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Portage_Lake_Lift_Bridge_2020-1409.jpg/100px-Portage_Lake_Lift_Bridge_2020-1409.jpg) |
1959 |
Hancock and Houghton 47°7′25.9″N 88°34′26.7″W |
Michigan |
United States |
bridges |
291 |
2022 |
Salmon Creek Dam[29] |
![](//upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Close_view_of_Arch_dam.jpg/100px-Close_view_of_Arch_dam.jpg) |
1914 |
Juneau 58°20′30″N 134°24′12″W |
Alaska |
United States |
dams |