Visit the museum Centro de Arte Reina Sofia of Modern Art (closed on Tuesday) inagurated by the Spanish Kings Juan Carlos I and Sofia the 10th September 1992. Permanent collections of the most important spanish artists: Picasso, Miró, Dalí, Gargallo, Gutiérrez Solana, Tápies, Chillida and Julio González. The Retiro Park, Plaza de la Independencia and Plaza Carlos V.