An indispensable tour of the museum includes rare works by Bermejo, Benson, Mandijn, Vredeman de Vries, Lucas Cranach the Elder, De Vos, Anthonis Mor, Alonso Sánchez Coello, El Greco, Pourbus, Gentileschi, Ribera, Zurbarán, Van Dyck, Murillo, Arellano, Meléndez, Bellotto, Mengs, Goya, Paret, Villaamil, Ribot, Zamacois, Madrazo, Gauguin, Cassatt, Sorolla, Iturrino, Ensor, Regoyos, Romero de Torres, Zuloaga, Sunyer, Gutiérrez Solana, Daniel Vázquez Díaz, Lipchitz, Delaunay, González, Gargallo, Bacon, Palazuelo, Oteiza, Appel, Chillida, Caro, Serra, Millares, Tàpies, Saura, Lüpertz, Kitaj, Blake, Arroyo and Barceló, among others.