The Museo Thyssen-Bornemisza is a must-visit museum for art enthusiasts in the Barrio de las Letras. It is home to an impressive collection of European art, spanning from the early Renaissance to the late 20th century. The museum showcases works by renowned artists such as Van Eyck, Caravaggio, Monet, and Van Gogh. Visitors can explore various art movements, from Impressionism to Pop Art. The museum's collection is a result of the private collection of the Thyssen-Bornemisza family, which was later donated to the Spanish government. The museum also hosts temporary exhibitions and cultural events.