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.

From the Aztec pyramids of Mexico to sprawling temples in Indonesia, read on to discover the world's most amazing pyramids that aren't in Egypt... Whizz through the world's longest and deepest ...

Scattered throughout Mexico, you'll find the ruins of several ancient civilizations, including those of the Aztec, Maya and Toltec people. Many of these sites feature impressive pyramids standing ...

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 ...