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.
The Castellers de Vilafranca is a Catalan cultural and sports institution whose main objective is to build human towers. They are a non-profit organization and are considered a public interest entity.