Called by a name meaning "slag heap," it was supervised by Juan Bautista de Toledo and Juan de Herrera.  
Titian's Last Supper was placed in the refectory of this building's monastery, and the books of its library are shelved with their spines to the wall, so that air can get to the pages.  Located in the foothills of the Sierra de Guadarrama, it was designed like a gridiron to recall a martyr's death.  Called by a name meaning "slag heap," it was supervised by Juan Bautista de Toledo and Juan de Herrera.  FTP, name this palace of Spain's Philip II.
Titian's Last Supper was placed in the refectory of this building's monastery, and the books of its library are shelved with their spines to the wall, so that air can get to the pages.  
El Escorial