This former royal residence houses a fantastic collection of paintings (Velázquez, Caravaggio and Goya), sculptures, furniture, tapestries, glassware, gold and silverware, medals, porcelain and musical instruments. It is well worth visiting the rooms decorated by Gasparini as well as the Royal Pharmacy, the Library, and the Royal Armory. King Felipe V commissioned the Italian architect Sabatini to design the palace, and the work was carried out between 1738-1770.