fortress hohenwerfen or festung hohenwerfen or burg hohenwerfen or hohenwerfen adventure castle, pongau

adventure alpine alps ancient architecture austria austrian building burg castle castles city cityscape defense exterior famous festung fort fortification fortress green heritage hill historic historical history hohenwerfen journey landmark landscape medieval monument mountain movie museum nature old outdoor outdoors panorama pongau salzburg scenic sightseeing sky stronghold tour tourism tower town travel trip vacation valley view wall wanderlust