Teotihuacan was a city of massive stone pyramids that was home to as many as 200,000 people and was the heart of an ancient empire that flourished between 100 and 700 A.D., but was abandoned long ...

Unburying the Aztec. The excavation of a sacred pyramid is turning up clues to the empire’s bloody rituals—but so far, no sign of its most feared emperor.

During my time in Mexico City, I learned what it’s like during an ancient Aztec energy meditation. I unexpectedly participated in one in a cave behind the Teotihuacán Pyramid of the Moon. We ...

Teotihuacan, with its Pyramid of the Sun, ... Running on a north-south axis is the city’s main street known today as the Avenue of the Dead, from a later Aztec name.