23 skyscrapers in a circle of one square kilometre
339th tallest in the world (shared with 12 other buildings) 331st tallest on the Northern Hemisphere (shared with 11 other buildings) 42nd tallest in North America (shared with 1 other building) 40th tallest in the United States 8th tallest in Chicago4th tallest built in 1990 3rd tallest built in North America in 1990 3rd tallest built in the United States in 1990 2nd tallest built in Chicago in 1990546th most northern skyscraper 6551st most southern skyscraper 393rd most western skyscraper 6704th most eastern skyscraper4th tallest within 1 kilometre 8th tallest within 10 kilometres 8th tallest within 100 kilometres 9th tallest within 1000 kilometres 37th tallest within 2000 kilometres 44th tallest within 5000 kilometres (1 equally tall building in that area)8th most floors within 1 kilometre (1 building with same floor number) 18th most floors within 10 kilometres (1 building with same floor number) 18th most floors within 100 kilometres (1 building with same floor number) 34th most floors within 1000 kilometres (2 buildings with same floor number) 76th most floors within 2000 kilometres (7 buildings with same floor number) 93rd most floors within 5000 kilometres (10 buildings with same floor number)96 metres from the closest taller building