First called Boulder Dam, the big dam helped create energy, distribute water through the Southwest. Some want to get rid of dams on the Colorado River. Read more.

Saturday commemorates the 89th anniversary of the Hoover Dam's completed construction, considered by most experts "a modern miracle" and one of the most visited sites in the world.. The 726-foot ...

Saturday commemorates the 89th anniversary of the Hoover Dam's completed construction, considered by most experts "a modern miracle" and one of the most visited sites in the world.. The 726-foot ...

When visiting the Hoover Dam, it's best to dress comfortably and appropriately for the weather. Wear lightweight, breathable clothing during the hot months and layers during cooler seasons.

Saturday commemorates the 89th anniversary of the Hoover Dam's completed construction, considered by most experts "a modern miracle" and one of the most visited sites in the world.. The 726-foot ...

Saturday commemorates the 89th anniversary of the Hoover Dam's completed construction, considered by most experts "a modern miracle" and one of the most visited sites in the world.. The 726-foot ...

Saturday commemorates the 89th anniversary of the Hoover Dam's completed construction, considered by most experts "a modern miracle" and one of the most visited sites in the world.. The 726-foot ...

Saturday commemorates the 89th anniversary of the Hoover Dam's completed construction, considered by most experts "a modern miracle" and one of the most visited sites in the world.. The 726-foot ...

Saturday commemorates the 89th anniversary of the Hoover Dam's completed construction, considered by most experts "a modern miracle" and one of the most visited sites in the world.. The 726-foot ...

Saturday commemorates the 89th anniversary of the Hoover Dam's completed construction, considered by most experts "a modern miracle" and one of the most visited sites in the world.. The 726-foot ...