The Great Pyramid at Giza has been studied for centuries, yet new scans of the 4,500-year-old monument suggest it may still be hiding a concealed passageway that functions like a secret doorway. Fresh ...

New scans of the Pyramid of Menkaure at Giza have revealed two hidden chambers tucked behind its eastern face, air-filled ...

Researchers explore a tunnel in Teotihuacan last accessed 1,800 years ago. April 28, 2013— -- Mexican archeologists discovered three previously unknown chambers under a pyramid in Teotihuacan, an ...

Explore secret chambers. Discover hidden tombs. Unearth ancient riddles. And unravel an ancient riddle, entombed for centuries by the ancient Egyptians! Riddle of the Sphinx is an epic ancient ...