Historic Valhalla building in spring, Regensburg, Bavaria, Germany, Europe

architectural styles architectural style architecture attractions attraction bavaria bayern buildings building central europe cities city center city centre city construction deserted downtown empty europe's europe famous place frg german federal republic germany german hall of fame halls of fame heritage building historical old town historical historic buildings historic building historic center historic centre historic city center historic city centre historic district historic old town historic quarters historic quarter historic inner city inner town landmark memorial site memorials memorial middle europe midtown monument municipal neo classical neoclassical neoclassicism nobody no one no people oberpfalz old city old district old town area old towns old town place of interest regensburg republic of germany sight southern germany south germany springtime spring structure tourist attractions tourist attraction tourist landmark town center town centre town travel photography uninhabited upper palatinate urban environment urban valhalla walhalla