1. Monumental Scale: Hoover Dam stands at a towering 726 feet (221 meters) tall, making it taller than the Great Pyramid of Giza.

2. The Name Evolution: Originally known as Boulder Dam, its name was officially changed to Hoover Dam in honor of President Herbert Hoover

3. Concrete Marvel: To build this colossal structure, enough concrete was poured to pave a two-lane highway from San Francisco to New York City.

4. Hydroelectric Powerhouse: Hoover Dam generates enough electricity to serve over a million people annually.

5. Bypass Bridge: The Mike O'Callaghan–Pat Tillman Memorial Bridge, also known as the Hoover Dam Bypass, offers stunning views of the dam

6. Art Deco Masterpiece: The dam is an Art Deco architectural marvel.

7. Submerged Towns: When Lake Mead, the reservoir formed by the dam, fills to capacity,

8. Historic Labor Force: The construction of Hoover Dam employed thousands of workers during the Great Depression.

9. Cooling System: To prevent the dam from overheating, a network of pipes circulates cold water through the concrete.

10. Earth's Curvature Correction: Engineers had to account for the Earth's curvature when constructing Hoover Dam.