The museum is inside the Villa in keeping with the wishes of Giovanni Maria Ciocchi del Monte elected Pope with the name of Guilio 3rd in 1550. There is a large collection of exhibits from the Etruscan civilization, some rediscovered during excavations others from private collections such as the famous Augusto Castellani collection ceded in 1919 and exhibited with others. The enormous amount of material and the different varieties make the museum on e of the best examples of scientific and didactic exhibitions of the Etruscan culture from the primordial Villanovans to the Roman Conquest. The Sarcophagus of the Newly Weds is of extreme importance and notoriety, a masterpiece the dating back to the end of the 6th century BC. The group of sculptors included Apollo, Heracles and Hermes who decorated the summit of the sanctuary of Portonaccio at Veio; the famous golden plates of Pyrgi, fundamental testimonials of the relationship between Caere and Carthage during 500 BC. Also from Pyrgi the frontal high reliefs from Temple A depicting an episode from the myth of "Sette a Tebe" recently restored to its original beauty. The same villa was architecturally restored under the project to reorganize the museum which had been closed to the public for years.