The Diocesan Museum of Benevento is located in the area surrounding the Cathedral. The museum was named in honor of Benedict Bonazzi and is divided into two sections can be visited: the Hypogeum pseudocripta and archaeological tour. The pseudocripta presents numerous archaeological and architectural evidence that refer to different ages and is the result of actions initiated in Roman times - Republican. Inside the pseudocripta it has kept the paintings dedicated to San Barbato, dating from the late ninth and early tenth century. Arranged in the museum hosts the absolute value of the historical artifacts, artistic and liturgical: the St. Barbato Chair of the seventh century; the winged figure dated to the fourteenth century; ampoules glassy and early Christian tombstones. In 2012 it was also inaugurated the archaeological section of the Diocesan Museum. It is a museum tour realized in the archaeological present in the basement of the Cathedral. The discovery of archaeological remains took place in 2005 and, thanks to the activity promoting the City and the Diocese, it was possible to create a museum.