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

On the edge of Mexico City's famed Zócalo plaza, next to the ruins of the Aztec sacred pyramid known as the Templo Mayor, the remains of an animal—perhaps a dog or a wolf—were discovered.

Here, we dive into the largest pyramid in the world (an incredible Aztec achievement) as well as four other awe-inspiring ones. 5 of the Largest Pyramids by Volume Egypt is home to a few of the ...

Sugiyama's team discovered four dedicatory chambers beneath the Moon Pyramid, including one known ... comparable only to those conducted by the Aztec Empire over 1,000 years later.