Explore Museo Reina Sofía with an audio tour on your phone, which, along with the Museo del Prado and the Thyssen-Bornemisza museum, makes up Madrid’s Golden Triangle of Art. Madrilenians jokingly call Reina Sofía “Sofidou” for its similarity to the Pompidou Center in Paris.

For art enthusiasts that love the modern, contemporary, and avant-garde, Madrid's Reina Sofía Museum is truly a standout. Don't lose time waiting in the museum's typically long lines by prebooking your skip-the-line tickets. The mobile app will take you into the galleries so that you can see the museum's permanent collection and temporary shows, from surrealism to dada, Picasso to Miró. With mostly Spanish artists and works spanning the best of modernity, this museum is not to be missed.