1 Best Sight in Castile–Leon and Castile–La Mancha, Spain

In what were once the cellars of the Bishop's Palace, this museum's collection includes a jewel-encrusted Byzantine diptych of the 13th century, a Crucifixion by the 15th-century Flemish artist Gerard David, a variety of carpets from the 16th through 18th centuries, and two small El Grecos.