1: The Hoover Dam, a marvel of engineering, tamed the Colorado River.

2: Built during the Great Depression, the dam provided jobs and power.

3: The dam's construction required over 5 million barrels of concrete.

4: Hoover Dam's reservoir, Lake Mead, is the largest in the US.

5: Visitors can take tours to learn about the dam's history.

6: The dam generates enough power for over a million homes.

7: Hoover Dam's art-deco design is a popular tourist attraction.

8: Controlling floods and providing water, the dam is essential for the Southwest.

9: A testament to human ingenuity, the Hoover Dam remains an iconic symbol.