romantic castles - rhine valley. scenery of germany. view of katz castle

activity ancient attraction autumn beautiful boat castle castles cruise destination excurtions famous germany goar goarshausen gorge heritage high hill interest kats katz koblenz kreis lahn landmark landscape lorelei magnificent medieval middle mountain nature pictorial picturesque popular rhein rhine river rock romantic sankt scenery scenic site tourism tourist touristic town travel trip unesco valley view village with world