Name | Name:Aon Center (Chicago) | Name:Strasbourg Cathedral |
Height | Height:346 m, (1,135 ft) | Height:142 m, (466 ft) |
Location | Location:Chicago, United States | Location:Strasbourg, France |
Year Constructed | Year Constructed:1973 | Year Constructed:1439 |
Description | Description: | 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 |