"While the work of photographers like Helmut Newton might hypothetically seem too stark and modern for this rambling and elegant 18th century mansion, it's a combination that totally works: Beyond an impressive permanent collection, this museum always lands the exhibitions everyone is talking about, whether it's Shirin Neshat, Henri Cartier-Bresson, or Sebastião Salgado. Keep in mind that they're closed on Mondays and Tuesdays."