From left to right: Azerbaijan Tower, image via Avesta; Kingdom Tower, Image via Adrian Smith + Gordon Gill Architects; and Suzhou Zhongnan Center, image via Gensler Frank Lloyd Wright once proposed The Illinois , a mile-high skyscraper set on the shore of Lake Michigan in Chicago, a towering giant of a building powered by atomic elevators. It's a clear symbol of the current race to raise skylines around the world that Wright's vision from the '50s, yet to be realized, is coming closer and closer to reality.