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Next to Parroquia de San Antonio de Padua is the original monastery built by the Franciscans in 1569. The convent convent consists of two towers with three baroque-style bodies dating to the early 18th century.
Neoclassical church built in 1608. The altar was replaced in 1930. Many of the church's original artworks were destroyed during the Mexican Revolution when the church was occupied by Venustiano Carranza's troops.
Small archaeological zone with an interesting pyramid and a few other ruins. During its heyday, the city had trade routes with Teotihuacán, Texcoco, and Tenochtitlán. The most important pyramid is dedicated to the god of the wind, Ehécatl. A small site museum displays about 200 artifacts found at the site.