Archeologists have discovered the ruins of an 800-year-old Aztec pyramid in the heart of the Mexican capital that could show the ancient city is at least a century older than previously thought.

Archeologists have discovered the ruins of an 800-year-old Aztec pyramid in the heart of the Mexican capital that could show the ancient city is at least a century older than previously thought.

n this episode, archaeologists begin a pioneering experiment to build a replica Aztec pyramid, investigate the mysterious pyramid ruins being unearthed in the heart of Mexico city and venture deep ...

Archaeologists have discovered what they think are ruins of an Aztec pyramid in what is now one of Mexico City's most crime-ridden… Archaeologists have discovered what they think are ruins of an Aztec ...

Visually it's not even a pyramid, but a below street-level ruin of seven multilayered pyramid foundations. Electricians working in a basement discovered it in 1978 when a floor collapsed, revealing a ...

A general view shows the "Plaza de las Tres Culturas", or the plaza of the three cultures, in the central Tlatelolco area of Mexico City December 27, 2007. [Agencies] The ruins of an 800-year-old ...

Sight: 16 1/2 x 22 in. (41.9 x 55.9 cm.), Frame: 20 1/2 x 26 in. (52.1 x 66 cm.) ...