cave-monastery, catacomb, crypt, sepulchre

cave city entrance dungeon located top high mountain art passage earth manmade limestone rock place refuge monks cavemonastery monastery convent abbey cloister monkery religious house nunnery cavern grotto catacomb subterranean crypt sepulchre tomb settlement hollowout stone temple church sanctuary tabernacle adytum catacombs scary murder mortal monsters physiology tourist history arch architecture landmark tourism misery ancient