Beneath Egypt’s Step Pyramid lies a sprawling network of tunnels, shafts, and chambers carved deep into the bedrock. More ...

Explore the inside of Egypt’s Red Pyramid as we descend through a narrow shaft, uncover its unusual acoustic chambers, and examine theories that it may have functioned as more than a royal tomb, ...

Too soon to say if they may indicate undiscovered secret chambers, experts say. — -- While the discovery of "thermal anomalies" at Egypt's Giza pyramids by an international group of scientists ...

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 ...

CAIRO (AP) -- Travelers to Egypt will soon be able to explore the inner chambers of the 4,500-year-old "bent" pyramid, known for its oddly shaped profile, and other nearby ancient tombs. The increased ...