Among the now closed museums whose collections have been added to that of the Prado were the Museo del la Trinidad in 1872, and the Museo de Arte Moderno in 1971.
Nastal je z dvojnim ciljem: da prikazuje umetniška dela, ki pripadajo španski kroni in dokazuje preostali Evropi, da je bila španska umetnost enako pomembna kot katera koli druga nacionalna šola.