Name | Name:Comcast Center | Name:Meidum Pyramid |
Height | Height:297 m, (974 ft) | Height:94 m, (307 ft) |
Location | Location:Philadelphia, United States | Location:Egypt |
Year Constructed | Year Constructed:2008 | Year Constructed:c. 2610 BC |
Description | Description: | Description:Shortly after completion Meidum Pyramid collapsed due to bad design/instability and is now 65 m (213 ft). It was the tallest freestanding structure on land from c. 2610 BC to c. 2605 BC |