Name | Name:Comcast Center | Name:Pyramid of Djoser |
Height | Height:297 m, (974 ft) | Height:62 m, (203 ft) |
Location | Location:Philadelphia, United States | Location:Egypt |
Year Constructed | Year Constructed:2008 | Year Constructed:c. 2650 BC |
Description | Description: | Description:Tallest freestanding structure on land from c. 2650 BC to c. 2610 BC |