The heart of the Decorative Arts section is a large collection of porcelain, mainly from the 18th and 19th centuries, showing the variety of products produced by Belgian manufacturers.

The Royal Museum of Mariemont’s Greco-Roman antiquities include a large number of bronze statuettes of Roman deities. They hail from small temples in Roman homes spread over all four corners of the Empire.

This research programme is investigating the Cult of Mithras, a mysterious god from the East who was worshipped extensively in the Roman Empire.