Deep in the heart of the Amazon, something unbelievable has been uncovered—a pyramid no one was supposed to find. How did it get there? Who built it? And why has it stayed hidden for so long? In this ...

Deep in Peru's Amazon rainforest stands Cerro El Cono, a mountain that looks almost too perfect to be real. Rising 1,310 feet above the jungle canopy, this natural formation has a near-perfect pyramid ...

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.