America's World Heritage Sites
Thought you knew America? Think again. Take a tour of America's UNESCO World Heritage sites -- rich in natural beauty, individual genius and traditions that stretch back 1,000 years.
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We Recommend
Top-Secret Underground Bunker
(02:51)See the bunker at the Greenbrier Hotel, kept secret for 30 years.
See Also
- Edgar Allan Poe's Death (01:55)
- An Elaborate Hoax (02:34)
- Allegheny Arsenal Explosion (02:34)
- Reagan Assassination Attempt (02:34)
- Audubon's Mysterious Bird (02:42)
- Historic Brass Knuckles (03:07)
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