10 That Changed America

SN 2 | EP 3 | 10 Modern Marvels That Changed America

A whirlwind tour of 10 engineering feats that made our civilization possible: from the Erie Canal and Eads Bridge, to the Holland Tunnel and Hoover Dam. Find out which 10 modern marvelsmade the list!

Available: Amazon.com, iTunes Store

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10 That Changed America
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