Who built the tallest pyramid it in the New World?

The tallest pyramid in the New World is the Great Pyramid of Cholula, located in Cholula, Mexico. It was built by the indigenous peoples of the region, primarily the Toltecs and later the Aztecs, over several centuries, with construction starting around 300 BCE. The pyramid stands at approximately 66 meters (217 feet) tall and has a base area larger than that of the Great Pyramid of Giza. Today, it is topped by a church, reflecting the layered history of the site.