Castlebuilt in cave This might be coolest house ever predjama castle in Slovenia ciybtry in central Eurpe holds the record for the world largest cave castles built halfway up 400 foot tall cliff the structure sits in an opening of the postjan cave system buts around the 13th century the 115foot tall castle houeses a chapel a prison a torture charmber and even a hidden passageway. from called book national geographic kids.
