Each skyscraper in Chicago is continuation of History of Skyscrapers which has begun for a city in 1885 with building Home Insurance Building. "Tower" in height of 42 metres (plus two floors have been completed in 1891, having finished height to 50 metres) became the first-ever building exceeding level in five floors. New Aqua Tower — height of 250 metres, the sculptural facade of a structure creating illusion of waves is unique.

Calcareous rocks, characteristic for area of Great Lakes became a prototype of a wavy facade.

Such architectural decision it has not only visual value, and is functional; waves are used as viewing platforms, and also a shadow veil.

Building parametres; 82 floors, 250 metres in height, 215 hotel rooms (with 1 on 18 floor), 476 apartments (with 19 on 52 floor), 5,100 sq. m. trading and office areas, an underground parking, a 8-storeyed cellar a total area of 32,000 sq. m., a terrace with gardens, pools, arbours, paths for walks and run.