| Name | Name:Bent Pyramid | Name:Meidum Pyramid | 
| Height | Height:101 m, (332 ft) | Height:94 m, (307 ft) | 
| Location | Location:Egypt | Location:Egypt | 
| Year Constructed | Year Constructed:c. 2605 BC | Year Constructed:c. 2610 BC | 
| Description | Description:Angle of slope decrease during construction to avoid collapse. It was the tallest freestanding structure on land from c. 2605 BC to c. 2600 BC | 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 | 
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