Science & Tech
21
Hoover Dam is a modern civil engineering wonder of the United States and was one of seven selected by the American Society of Civil Engineers in 1955.
Hear stories like this as you drive
ExploreHere reads historical markers out loud as you pass them: over 325,000 stories across the US. No account needed.
4.7 · 800+ ratings · Free
FIND IT
Arizona · United States
