Exclusive tour of the SECRET VAULT inside Mt. Rushmore! Thanks to the US Department of the Interior for giving us this incredible access! What's inside The Hoover Dam:    • What's inside The Hoover Dam?  

Have you been to Mt. Rushmore? It is incredible to see for yourself! What other national parks or monuments should we visit?

What's Under the Lincoln Memorial:    • What's Under the Lincoln Memorial?  

What's inside the Washington Monument:    • What's inside the Washington Monument?  

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