Falkenstein-Pfalz
Right, the Wachturm, or watchtower that was positioned along the steep slope of the hill.
Left, the outer wall of the knight's primary living quarters.



Below, a portion of the outer wall that protected the outer ward.  It was the wall that was significantly demolished by the French in an effort to make the castle indefensible.
Left, this section of stairs appears to be authentic without reconstruction.