Recent scientific breakthroughs have shed light on the existence of hidden chambers within the Great Pyramid of Giza, ...

Hidden beneath the sands of Egypt's Giza Plateau, three precisely engineered shafts have been rediscovered that may unlock access to a vast underground network whispered about by ancient Greek ...

Two years ago, a team of research scientists announced they would use muon tomography to explore the Great Pyramid of Giza, also known as the Pyramid of Khufu. They planned to image internal ...

WASHINGTON (Reuters) - Scientists using an imaging method based on cosmic rays have detected a large and enigmatic internal structure in the last of the Seven Wonders of the Ancient World still ...

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 ...

(NEXSTAR) – For 50 years, a metal propane-tank shaped contraption was buried, forgotten, under San Francisco’s Transamerica Pyramid. But when the iconic building changed hands, its new owners ...