This pyramid has as a number of names including, El Tajín, Pyramid of Papantla, Pyramid of the Seven Stories and the Temple of the Niches. It has become the focus of the site because of its unusual design and good state of preservation. It was prominent in ancient times as well. A large quantity of sculpture was recovered from this pyramid. The building is mostly constructed of carefully cut and crafted flagstones, the largest of which is estimated to be about eight metric tons in weight. The stones, especially around the niches are fitted together as to need a minimum amount of lime and earth mortar. The structure originally was covered in stucco which served as the base for paint.