Sculpture, panting, and furniture from the 15th to 18th centuries. In particular: Collection of late Brabançon Gothic sculptures. Collection of terra cotta drafts and sketches (bozzetti), plaster and marble works by the sculptor Laurent Delvaux (1696-1778). Brussels tapestry. Musical instruments. Nivelles furniture. Second floor devoted to prehistoric and Gallo-Roman archaeology: development of tools and technologies, aspects of everyday life. The objects come from excavations carried out in the region by the museum. In particular: excavations in progress on the Bons-Villers Gallo-Roman site at Liberchies (Pont-à-Celles). Large corner house built in 1764 to house the Trinitarian refuge of the Orival priory.