Name | Name:Aon Center (Chicago) | Name:Pyramid of Djoser |
Height | Height:346 m, (1,135 ft) | Height:62 m, (203 ft) |
Location | Location:Chicago, United States | Location:Egypt |
Year Constructed | Year Constructed:1973 | Year Constructed:c. 2650 BC |
Description | Description: | Description:Tallest freestanding structure on land from c. 2650 BC to c. 2610 BC |