Quaint historic spa town of Baden-Baden at foot of the Black Forest, Germany

badenbaden germany badenwurttemberg quaint spa town foot of the black forest unesco karlsruhe roman baths roman settlement south germany great spa towns of europe aerial world heritage site oos valley historical territory black forest thermal baths vacation destination cityscape tourist attraction culture europe building drone landmark sightseeing iconic attraction tourist destination tourism travel history visit explore destination wanderlust architecture monument flight fly top view high angle urban visit germany germany tourism german town german