Rubens: St Agustine, National Gallery, Prague:

Van Eyck: Giovanni Arnolfini and his Wife (1434) – National Gallery, London:

Renoir: Bal du Moulin de la Galette (1876) – Musee National d’Orsay, Paris:

Renoir: Le Dejeuner des Canotiers (1881) – Phillips Collection, Washington:

Goya: Aquelarre/ Il Grande Caprone (1821) – Prado, Madrid:

Velasquez: Las Meninas (1656) – Prado, Madrid:

Chagall: I and the Village (1911) – Museum of Modern Art, New York:

Van der Weyden: Deposition (1435) – Prado, Madrid:

See also:
The best paintings best ever seen