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The National Air and Space Museum.
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NASA's development of space exploration in 1958.
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The submarine Explorer, created during the Civil War, is discovered again after being lost for 135 years.
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The American History Museum.
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History of a country largely unknown in the West.
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The waters of the Great Lakes serve as the resting place for the single largest graveyard of ships in the world.
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The history of a U.S. coin that ends up being worth millions of dollars.
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The truth of Leonardo da Vinci as an inventor.
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William Boeing's life in the skies; WWI, the Prohibition-era and the Great Depression.
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Touring Italy with the latest high definition and camera-mount technology.