 The palace houses the "Scala delle Forbici, "a staircase by Filippo Juvarra.The Chapel of the Holy Shroud, with its spiral dome, was built in the west wing of the palace, joining the apse (a semicircular recess) of the Cathedral of St. John the Baptist, to house the famous Shroud of Turin, which belonged to the family from 1453 until 1946.The royal gates of the palace have a golden Medusa symbol embossed on them, in order to fend off intruders.