Halls of Sunspear. The Old Palace is a palace in Sunspear, the seat of House Martell in Dorne. It includes the Tower of the Sun and the Spear Tower,as well as a feast hall and a solar for the Prince of Dorne.
It seemed that every plant and creature on the surface first began it's life here, underground! As if the hidden underground world was the nursery for the entire world. "How is this possible..." Penelope wondered. (The Art Of Animation)