The museum was recently created in the basements of the abbot's palace. It contains collections of art and popular traditions. Along the way, one can discover archaeological collections around elements discovered during the restoration of museums capitals of the thirteenth century Gallo-Roman mosaic ... All of which provide an introduction to the origin of Gaillac, an ancient city. Then, the visitor finds a mention of the port to which the town of Gaillac is the beginning of its development. The tour continues with a gallery devoted to vines and wine. Another gallery is devoted to the production of glass and land with a private collection of mortars to salts with stamped decorations, special production of the Tarn valley. A large room is devoted to an important collection of companions around traditional objects of control and reception, scarves, masterpieces, prints and portraits. One room is devoted to sacred art objects from the Abbey Saint Michel de Gaillac and churches.