Lichtenstein Castle is a castle near Honau in Swabian Alb, Baden-Württemberg, Germany. The castle is on a cliff. There has been a castle on this land since around 1200. It was destroyed two times. The first time was in the Reichskrieg's War of 1311. The second time was by the city-state of Reutlingen in 1381. The castle was not rebuilt and became a ruin.