| Name | Name:Bent Pyramid | Name:Strasbourg Cathedral | 
| Height | Height:101 m, (332 ft) | Height:142 m, (466 ft) | 
| Location | Location:Egypt | Location:Strasbourg, France | 
| Year Constructed | Year Constructed:c. 2605 BC | Year Constructed:1439 | 
| 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:By 1439, the Great Pyramid had eroded to a height of approximately 139 m (456 ft) hence Strasbourg Cathedral once completed was the tallest freestanding structure on land from 1647 to 1874 | 
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