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10 Streets That Changed America

10 Streets That Changed America

Season 2 Episode 1
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10 Monuments That Changed America

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10 Modern Marvels That Changed America

10 Modern Marvels That Changed America

Season 2 Episode 3
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Episode 5: The Calling

The Calling

Season 4 Episode 5
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When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
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10 That Changed America

Modern Marvels | Hoover Dam

It was designed to do the impossible: stop the mighty Colorado River dead in its tracks and provide water and power for the growing cities of Southern California. The dam also employed thousands in the midst of the Great Depression.