Popular wisdom says that the church square, which offers many beautiful views, was once home to one of the oldest baptisteries in the area. Today, the Parish Church stands on an even older site dating back to the pre-romanesque period (lombard-carolingian style) and is one of the rare examples of a cross-domed church with central nave and side naves.
In 1287 Count Meinhard II of Tyrol transferred the patronage to the Cistercian monastery of Stams in the Oberinntal valley. St. Peter is still under the pastoral care of the monastery today. Under Meinhard, the lombard-carolingian church underwent a thorough reconfiguration; further modifications were made in the Gothic period. The church is rich in precious Romanesque and Gothic frescoes. The southern side nave has an especially well-preserved half-length portrait of St. Paul dating back to the 11th century.