The Great Pyramid’s perfection on the outside hides a very different story on the inside. Beneath the fine limestone casing and well-cut outer blocks lies a mass of irregular stone and rubble, ...

Deep beneath the Great Pyramid lies an unfinished chamber carved into the bedrock — and in its corner, a narrow tunnel that leads absolutely nowhere. Known as the Dead-End Corridor, it’s one of the ...

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 ...

The Temple of the Plumed Serpent is adorned with carved snake heads and slithering bodies. Janet Jarman In the fall of 2003, a heavy rainstorm swept through the ruins of Teotihuacán, the ...