Castle of el Baró de les Quatre Torres Monument · la Nou de Gaià, Tarragonès, Tarragona Castle of medieval origin, documented since the year 1011, on the fortified frontier of the Gaià line, transformed into a large residential manor house in the late 18th and 19th centuries. Linked to the Claramunt family in the 12th century, it passed to the Requesens family in the 14th, to Pere de Castellet in the 15th, to the Corbera-Santcliment family in the 16th, and to Francesc de Montserrat, marquis of Tamarit, in the 17th, a family that held jurisdiction until the 1837 abolition of the lordships. It preserves three towers -two rectangular and one lower hexagonal one- and in 1982 it was ceded to the municipality along with its gardens. A Bien Cultural de Interés Nacional (Catalonia's top heritage-protection category). Photo: Deosringas (CC BY-SA 3.0) What to see and do in la Nou de Gaià