The Seven Seeing Stones, or Palantri, are some of the most fascinating and important artifacts in The Lord of the Rings trilogy. With ancient origins and unknowable powers, the stones become a viable weapon for Sauron in his quest to spy on and corrupt anyone else who might carry one. As Gandalf himself says when he scolds Saruman in The Fellowship of the Ring film, "A Palantr is a dangerous tool... They are not all accounted for, the lost seeing stones." How did these powerful orbs become lost, and how many yet still remain within Middle-Earth