Hoover Dam - Ten Amazing Facts - as part of the travel series by GeoBeats.

10 - It was constructed in 1930s during the Great Depression.

9 - 1936 completion was two years ahead of schedule inspite of difficult conditions.

8 - Over 100 lives were lost during the construction.

7 - Among the dead were a surveyor and his son who died 13 years apart.

6 - Mongolians were specifically excluded from working on the project.

5 - Nearly 9 million pounds of dynamite was blasted for foundation.

4 - Each generator can power 100,000 households.

3 - Every US state was involved in supplying materials for construction.

2 - During World War II, it was closed to visitors for four years.

1 - Height of Hoover Dam is 726 feet.