Rooftops, Cathedral twin towers, Citadel Castle, Salzburg, Austria, Europe

color image travel destinations travel horizontal panoramic outdoors day salzburg austria europe hohensalzburg fortress castle fortress built structure architecture cathedral religion christianity place of worship salzburg cathedral famous place no people building exterior building tree tower clear sky sky landmark dome city urban scene hill past history architectural building exteriors architectural exterior architectural exteriors buildings castles fort forts fortified fortification historic historical travel destination tourist destination tourist destinations cathedrals spirituality church churches places of worship cities urban daytime domes hills physical geography landscape outdoor outside panorama trees