Deep within the vast Amazon rainforest live tribes that have had little or no contact with the outside world. Hidden in ...

Why it's incredible: El Cono stands alone in the rainforest and has a mysterious pyramidal shape. Cerro El Cono is a 1,310-foot-tall (400 meters), pyramid-like formation in the Amazon rainforest. It ...

Even today there remain tribes in the far reaches of the Amazon rainforest that have avoided contact with modern civilization. Deliberately hiding from the outside world, they are the unconquered, the ...