Palazzo Capua, seat of the Museum, was built in the 18th century by the ancient Sarnese family of the Ungaro, it is one of the greatest examples of architecture in the city and contains all the characteristics of the patrician homes of the 18th century, which recall the great tradition of Neapolitan architecture of the time. The Museum, inaugurated on July 1, 2011, presents the findings of archaeological excavations in the Sarno Valley, from prehistoric times to the medieval period. Many are the grave goods coming from the necropolis of the territory and, of great interest, the reconstructions of the tombs – of Hellenistic age, second half of the IV century BC. -, found in the locality Galitta del Capitano, with beautifully preserved funerary paintings depicting characteristic scenes such as the " return of the warrior welcomed by the family ".