Palazzo della Pilotta dates back to the 16th century. The name of the building comes from the ancient game "pelota" often played in the courtyards of the estate. The particular disposition of its corridors forms a sort of fortress with several courtyards and extensions. Today, the palace hosts several museums, among them are National Gallery, the Palatine Library and the Archeological Museum. Inside the building there is also a theatre, and during summer outdoor events are organised in its gardens.