inside the catacombs of salzburg at the st., saint peter's cemetery, petersfriedhof, view from the getrauden chapel,

view getrauden chapel catacombs salzburg austria saint peter peters cemetery interior inside graveyard getraudenkapelle catacomb church bell tower clock courtyard yard cliff overlook abbey hermitage hidden secret christian historic monchsberg rock hewn cut dug carved cave manmade remote landmark monument tourist attraction destination sightseeing tour guide