A strange peak in the middle of the Amazon rainforest may actually be the largest pyramid ever built in the ancient world. Known as Cerro El Cono, this massive, pyramid-shaped formation is cloaked in ...

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 ...