(GMT)25 NOV 2016 THOGOO:
The Reina Sofia is a modern art museum (National Museum and Art Center, Queen Sophia) featuring works from the 20th century, including an extensive collection of works by Pablo Picasso and Salvador Dalí.
The Museo Nacional Centro de Arte Reina Sofía was designed as a modern complement to the historical Prado Museum. It was officially inaugurated by Queen Sofia in 1992. Originally built as a hospital, the museum was expanded in 2005 with a structure designed by French architect Jean Nouvel.
Most museums in Madrid are free at least three full days each year: May 18 (aptly, International Museum Day), October 12 (Hispanidad [Hispanicity] Day), and December 6 (Constitution Day).