40 of America’s Most Impressive Feats of Engineering

11 Jun

When engineers figured out how to force the Chicago River to flow in a different direction, that’s a feat. When they spanned the Pacific Ocean in San Francisco with the Golden Gate Bridge, that’s a feat. Or even when engineers carved precise measurements into hillsides with rudimentary tools—whether for a road or a monument—that’s a feat. Explore 40 of the most impressive engineering feats in American history. More>>

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