reichenstein castle with clemenskapelle, trechtingshausen on the rhine river. middle rhine valley, rhineland-palatinate, germany,

reichenstein castle germany rhineland palatinate rhine valley rhinelandpalatinate architecture heritage ancient medieval fort old picturesque town city europe tourism tower hill fortress german touristy landmark rheinland famous place fortification culture knights travel destination river tour mountain forest wine historical wall summer coblence gutenfels kaub koblenz palatine pfalzgrafenstein chateau unesco clemenskapelle trechtingshausen river middle rhineland-palatinate europe castles