High Quality Content by WIKIPEDIA articles! Mesoamerican pyramids, pyramid-shaped structures, are an important part of ancient Mesoamerican architecture. These structures were usually step pyramids with temples on top – more akin to the ziggurats of Mesopotamia than to the pyramids of Ancient Egypt. The Mesoamerican region`s largest pyramid by volume – indeed, the largest in the world by volume – is the Great Pyramid of Cholula, in the Mexican state of Puebla.