| Name | Name:Two Prudential Plaza | Name:Pyramid of Djoser |
| Height | Height:303 m, (994 ft) | Height:62 m, (203 ft) |
| Location | Location:Chicago, United States | Location:Egypt |
| Year Constructed | Year Constructed:1990 | 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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