Name | Name:Key Tower | Name:Pyramid of Djoser |
Height | Height:289 m, (948 ft) | Height:62 m, (203 ft) |
Location | Location:Cleveland, United States | Location:Egypt |
Year Constructed | Year Constructed:1991 | Year Constructed:c. 2650 BC |
Description | Description: | Description:Tallest freestanding structure on land from c. 2650 BC to c. 2610 BC |