Museum Mayer van den Bergh, Antwerp - Paintings and sculptures from the Middle Ages to the 18th century, with some outstanding pieces by a.o. Museum of Modern Art, Brussels - Major 20th century schools of art including paintings and sculptures. Royal Museum for Central Africa - World famous collections of geology, zoology, cultural anthropology, and history of Central Africa. Royal Museum of Fine Arts, Antwerp - A survey of art in the southern Netherlands from about 1350 to the present.
Site contains general information and background about some major pieces.
Royal Museums of Fine Arts, Brussels - General information on both the Museum of Ancient Art and the Modern Art museum. S.M.A.K., Ghent - The Ghent city museum of contemporary art. Agenda, collections, current exhibition, architecture, and lots more.