Fortified village of Quaglietta, located in the territory of the municipality of Calabritto, hosts a castle which according to legend was born as a military garrison, a Lombard organizational and defensive work, certainly favored by its strategic position on the rocky outcrop on which it stands, in the center of the Valley. The fort created a barrier against the attacks of the Saracens who, heading towards the internal areas, landed between Paestum and Salerno, and going up the Sele river, carried out raids and devastation also in the Valley. In reference to the origins of the Castle, it is assumed, given the findings in other neighboring locations which have more or less similar history, that it dates back to the medieval period. Today, few traces remain of the original layout of the castle, which stands majestically , to defend the ancient Salerno-Siponto road which in the Middle Ages led pilgrims to the Sanctuary of San Michele on the Gargano. The castle was incorporated into the Ultra Principality in 1807. The structure has a quadrilateral plan, with the fourth side being somewhat irregular, and is structured around a courtyard, onto which the feudal residence overlooks. At the highest point of the rock on which the village is based, is the main defensive tower, the donjon, from which the entire surrounding territory was dominated. The castle is accessed through the medieval village. The castle was enlarged in the 17th century by Baron de' Rossi.