Sigmaringen Castle, Upper Danube Nature Park, Swabian Alps, Baden-Wurttemberg, Germany, Europe

photography square color image travel destinations travel germany europe sigmaringen castle castle fortress built structure architecture upper danube nature park swabian alps baden wurttemberg lake water no people outdoors sunset dusk clear sky reflection building dam tree nature trees travel destination tourist destination tourist destinations sundown evening twilight outdoor outside nobody no one no person lakes pond ponds natural castles fort forts fortified fortification history historic historical