| Name | Name:U.S. Steel Tower | Name:Pyramid of Djoser |
| Height | Height:256 m, (840 ft) | Height:62 m, (203 ft) |
| Location | Location:Pittsburgh, United States | Location:Egypt |
| Year Constructed | Year Constructed:1970 | Year Constructed:c. 2650 BC |
| Description | Description: | Description:Tallest freestanding structure on land from c. 2650 BC to c. 2610 BC |
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