Templo de la Inmaculada Concepción

The church, dating from 1535, is the oldest building in town and is the center of town activity. It is one of several historic 16th century monasteries on the slopes of Popocateptl that collectively make up a . Based on the church's elevated height above nearby streets, there is evidence that indigenous stories about the Spanish building the church atop an existing temple may be valid. The church is built of rose colored granite with a semi-circular arch on the main facade, braced by a pair of square pilasters and a Renaissance style frieze. An open chapel occupies one side of the church while the monastery and fills the other. A central courtyard is contained within high walls with arches and porticoes.