The Museo Nacional Centro de Arte Reina Sofía, located near the Retiro subway station, is a must-visit for modern and contemporary art enthusiasts. It houses an extensive collection of Spanish and international art from the 20th century onwards. The museum is famous for being home to Picasso's iconic painting, Guernica, along with works by other influential artists like Salvador Dalí and Joan Miró. In addition to the permanent collection, the museum hosts temporary exhibitions, film screenings, and educational programs.