The Museum, opened in 1997, houses many ancient relics that enable us to trace, from Prehistory to modern times, the thousand-year history of the important center of the middle Sabato Valley. Reopened in May 2003 with new exhibits and a new layout, the Museum is located in the crypt of the Collegiate of the Assumption's Church and is divided into four rooms: archeology, folk costume, Medieval and liturgical vestments. The first room houses a number of artifacts found in the area, which confirm the presence of early humans from Pprehistoric times to the late Roman period. The second room, preserves costumes and fabrics of the first half of the nineteenth century found during emptying environments cemetery of the Mother Church, restored in the adjacent laboratory. The third room is dedicated to the stone artifacts of the Middle Ages and Renaissance, and the fourth room are precious and ancient sacred vestments used in the seventeenth and eighteenth centuries. In the entrance hall is a permanent exhibition "Industrial archeology in Altavilla Irpina: The sulfur mines".