upper middle rhine valley unesco world heritage site, stahleck castle in evening light, bacharach, rhineland-palatinate, germany

ages architecture area bacharach blue building castle central clouds cloudy corner curtain europe european evening exterior facade forest formidable fortifications gate german germany heritage high historic history hostel house imposing light lower medieval middle old outdoor outside overlooking rhine rhinelandpalatinate river rustic shining site sky small stahleck strong summer sun sunlight sunny tower towering towers town unesco upper valley walls west western window world youth