Name | Name:Comcast Center | Name:Red Pyramid of Sneferu |
Height | Height:297 m, (974 ft) | Height:105 m, (344 ft) |
Location | Location:Philadelphia, United States | Location:Egypt |
Year Constructed | Year Constructed:2008 | Year Constructed:c. 2600 BC |
Description | Description: | Description:Tallest freestanding structure on land from c. 2600 BC to c. 2560 BC |