24 skyscrapers in a circle of one square kilometre
4213th tallest in the world (shared with 172 other buildings) 4020th tallest on the Northern Hemisphere (shared with 166 other buildings) 619th tallest in North America (shared with 13 other buildings) 504th tallest in the United States (shared with 10 other buildings) 78th tallest in Chicago (shared with 1 other building)29th tallest built in 1990 18th tallest built in North America in 1990 17th tallest built in the United States in 1990 5th tallest built in Chicago in 1990500th most northern skyscraper 6213th most southern skyscraper 298th most western skyscraper 6415th most eastern skyscraper35th tallest within 1 kilometre 78th tallest within 10 kilometres (1 equally tall building in that area) 78th tallest within 100 kilometres (1 equally tall building in that area) 181st tallest within 1000 kilometres (3 equally tall buildings in that area) 507th tallest within 2000 kilometres (11 equally tall buildings in that area) 674th tallest within 5000 kilometres (14 equally tall buildings in that area)48th most floors within 1 kilometre 118th most floors within 10 kilometres 119th most floors within 100 kilometres 287th most floors within 1000 kilometres (4 buildings with same floor number) 775th most floors within 2000 kilometres (19 buildings with same floor number) 1022nd most floors within 5000 kilometres (27 buildings with same floor number)122 metres from the closest taller building