The Museo Nacional Centro de Arte Reina Sofía is Spain's national museum of 20th-century art. The museum was officially inaugurated on September 10, 1992, and is named for Queen Sofía. It is located in Madrid, near the Atocha train and metro stations, at the southern end of the so-called Golden Triangle of Art. The museum is mainly dedicated to Spanish art. Highlights of the museum include collections of Spain's two greatest 20th-century masters, Pablo Picasso and Salvador Dalí.