Is there a hidden city beneath the pyramids? Recently, a pair of scientists published a paper claiming they had discovered evidence of something really big beneath the pyramids of Giza, and the ...

Nikola Tesla dreamed of wireless, limitless energy — and some believe the Great Pyramid of Giza held the same secret. Could these two mysteries be connected?

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 ...

Archaeologists have discovered two strange structures lurking beneath the ground next to the world-famous pyramids of Giza in Egypt. Using radar and electrical technologies, a team of Japanese and ...

Whenever I go south to Mexico, I marvel at the monumental stone structures, which reach toward heaven, that were left behind by the Maya. When I went to Egypt, I stood at the base of pyramids that ...