NOVA
S50E03 Ancient Builders of the Amazon
New archaeological findings are shattering the long-held belief that the Amazon is a pristine wilderness, uncovering evidence of sophisticated ancient societies that thrived for hundreds of years, with populations reaching into the millions.
Season 50 Episodes
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London Super Tunnel
Star Chasers of Senegal
Ancient Builders of the Amazon
New Eye on the Universe
Weathering the Future
Chasing Carbon Zero
Saving the Right Whale
Hidden Volcano Abyss
Your Brain: Perception Deception (1)
Your Brain: Who's in Control? (2)
Ancient Earth: Birth of the Sky
Ancient Earth: Frozen
Ancient Earth: Life Rising
Ancient Earth: Inferno
Ancient Earth: Humans
Inside China's Tech Boom
The Battle to Beat Malaria
Lee and Liza's Family Tree