Ghosts of Machu Picchu
Season 37 Episode 4 | 52m 52sVideo has Closed Captions
Why did the Incas abandon their city in the clouds?
Why did the Incas abandon their city in the clouds?
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
Funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting and PBS viewers. Original funding provided by Exxon Mobil, Pacific Life, the David H. Koch Fund...
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Ghosts of Machu Picchu
Season 37 Episode 4 | 52m 52sVideo has Closed Captions
Why did the Incas abandon their city in the clouds?
Problems playing video? | Closed Captioning Feedback
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Ghosts of Machu Picchu Preview
Video has Closed Captions
Preview: S37 Ep4 | 1m 56s | Airs Wednesday, September 3, 2014 at 9:00 p.m. ET/PT. Check your local listings. (1m 56s)
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Funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting and PBS viewers. Original funding provided by Exxon Mobil, Pacific Life, the David H. Koch Fund...