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MegaStructures
Season 3 · Episode 5
Hoover Dam
0.01h 0mMay 16, 2006
Explore the US Treasury's impenetrable subterranean vaults housing monster money-making machines that churn out billions of dollars. See the army of protectors that ensure the world's most powerful economy with the mantra: "In God We Trust". Discover the elaborate systems of design and protection at the US Treasury premier currency manufacturer and her sister operation, the Bureau of Engraving and Printing.