Castellet Castle, built on the remains of fortifications dating back more than 2,500 years, was built in 977 with a basic structure consisting of a watchtower and a small wall.
Dating from the 11th century and declared a Bé Cultural d'interès Nacional, it is the most representative medieval monument in the region and the only Romanesque Monastery in the Penedès.
Piera Castle dates back to at least the 10th century. Perched at the top of a small hill, it overlooks the valley of the Anoia river where it flows into the Penedès region.