20 skyscrapers in a circle of one square kilometre
2536th tallest in the world (shared with 68 other buildings) 2413th tallest on the Northern Hemisphere (shared with 64 other buildings) 341st tallest in North America (shared with 6 other buildings) 278th tallest in the United States (shared with 5 other buildings) 44th tallest in Chicago30th tallest built in 2003 (shared with 1 other building) 4th tallest built in North America in 2003 3rd tallest built in the United States in 2003 Tallest built in Chicago in 2003510th most northern skyscraper 6587th most southern skyscraper 356th most western skyscraper 6741st most eastern skyscraper21st tallest within 1 kilometre 44th tallest within 10 kilometres 44th tallest within 100 kilometres 102nd tallest within 1000 kilometres (1 equally tall building in that area) 288th tallest within 2000 kilometres (5 equally tall buildings in that area) 374th tallest within 5000 kilometres (6 equally tall buildings in that area)20th most floors within 1 kilometre (3 buildings with same floor number) 35th most floors within 10 kilometres (5 buildings with same floor number) 35th most floors within 100 kilometres (5 buildings with same floor number) 68th most floors within 1000 kilometres (10 buildings with same floor number) 160th most floors within 2000 kilometres (26 buildings with same floor number) 199th most floors within 5000 kilometres (31 buildings with same floor number)310 metres from the closest taller building