Name | Name:Grande Dixence Dam | Name:Cologne Cathedral |
Height | Height:285 m, (935 ft) | Height:157 m, (515 ft) |
Location | Location:Val d'Hérens, Switzerland | Location:Cologne, Germany |
Year Constructed | Year Constructed:1965 | Year Constructed:1248–1880 |
Description | Description:A very tall Concrete dam . In 2013 it was the tallest Concrete dam in the world. | Description:Tallest freestanding structure on land from 1880 to 1884 |