Cholula

Cholula was an important city of pre-Columbian Mesoamerica, dating back to at least the 2nd century BCE, with settlement as a village going back at least some thousand years earlier. The site of Cholula is just west of the modern city of Puebla and served as a trading outpost. Its immense pyramid is the largest such structure in the Americas, and the largest pyramid structure by volume in the world, measuring 4.45 million cubic meters.

Cholula was one of the key religious centers of ancient Mexico.

Source: Wikipedia