The museum is in the Abbaye de St Bénigne, in the east wing of the abbey's missing cloister. It showcases regional collections from prehistory to the Middle Ages. Fine Romanesque rooms display Gallo-Roman sculptures, including a statuette of the goddess Sequana. The former monks' dormitory is dedicated to medieval sculpture, an attractive frieze depicts the mother-goddesses of Alesia, and 5C-6C Merovingian sarcophagi occupy the square. Pieces dating from the 14C and 19C have also been unearthed.