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6:29
A 1,920 panel quilt that covered the National Mall commemorating victims of AIDS.
5:13
Designed to provide water and power for the growing cities of Southern California.
5:32
The Native American and Dutch roots of the first street in America featuring mass transit.
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The railroad that shrank the time it took to cross the nation from six months to one week.
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Chicago's greatest engineering feat was saving itself from it's own sewage.
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Army Corps of Engineers created a system of safeguards to keep New Orleans from flooding.
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Provides much of the drinking water for southern California.
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Conceived by Frenchman Edouard Laboulaye as a celebration of America's democracy.
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Waterway that linked the Atlantic Ocean with the fertile farmland of America's interior.
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John Roebling first revealed his bridge building secrets in Cincinnati.
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The largest engineering project in human history that accelerated an exodus to suburbia.