Trifels Castle — Medieval castle at an elevation of 500 m (1,600 ft) near the small town of Annweiler, in the Palatinate region of southwestern Germany.
Photo Credit: By R.Wallenstein at German Wikipedia - Own workOriginally from de.wikipedia, CC BY-SA 2.0 de, https://commons.wikimedia.org/w/index.php?curid=2232357