Monument to the Turkmenistan Constitution (Turkmen: Türkmenistanyň Konstitusiýa binasy) is a monument located in Ashgabat, Turkmenistan. Its height of 185 meters makes it the second-tallest building in Turkmenistan. The monument is decorated with marble. Built to honor the 20th anniversary of the Constitution of Turkmenistan,^[1] it was constructed between 2008^[2] and 2011 on the Archabil avenue, by the Turkish construction company Polimeks. Inside the complex is a museum, a conference room, a library, a gift shop and a cafeteria.