Ancient Pyramids Uncovered in the Amazon
This discovery rewrites the history of complex societies on the continent.
The pyramid was built over 5,000 years ago, even before the pyramids of Egypt and Mesopotamia, a time when archeologists had believed the Amazon was populated only by hunter-gatherers.
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Ancient Cliff Paintings in the Amazon

Ancient Builders of the Amazon

Ancient Farmers of the Amazon

Ancient Amazonians Were Deft Environmental Engineers

Ancient Maya Metropolis

First Americans arrived at least 16,000 years ago, and probably by boat
