Aqua is an 86-story mixed-use residential skyscraper in the Lakeshore East development in downtown Chicago. The building is the tallest in the world to have a woman as lead architect, at 859 ft (262 m). It includes one level of parking below ground. The building's eight-story, 140,000 sq ft (13,000 m2) base is topped by a 82,550 sq ft (7,669 m2). [Wiki]