Name | Name:Grande Dixence Dam | Name:Pyramid of Djoser |
Height | Height:285 m, (935 ft) | Height:62 m, (203 ft) |
Location | Location:Val d'Hérens, Switzerland | Location:Egypt |
Year Constructed | Year Constructed:1965 | Year Constructed:c. 2650 BC |
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 c. 2650 BC to c. 2610 BC |