Castle on hill, Reichsburg Castle, Cochem-Zell, Rhineland-Palatinate, Germany

Exterior view of Thurant Castle, Alken, Rhineland-Palatinate, Germany

View over icy Moselle river to Bernkastel-Kues with Landshut Castle, Rhineland-Palatinate, Germany

Bridge across river, Saarburg, Rhineland-Palatinate, Germany

Bridge across river, Saarburg, Rhineland-Palatinate, Germany

Loop of the Moselle river near Bernkastel-Kues with Landau Castle in the background, Rhineland-Palatinate, Germany, wide-angle view

Tourists at old ruins of castle, Grevenburg Castle, Germany

Vineyard on hill, Moselle River, Niederburg, Germany

Ehrenfels Castle, Germany

Castle on hill at twilight, Trifel Castle, Palatinate, Germany

Low angle view of castle surrounded by forest, Eltz Castle, Rhineland-Palatinate, Germany

Frame house and Ehrenstein Castle, Neustadt (Wied, Rhineland-Palatinate, Germany

Diez, Rhineland-Palatinate, Germany

High angle view of ruined castle, Palatinate Forest, Rhineland-Palatinate, Germany

Castle Pfalzgrafenstein, Kaub, Germany

Low angle view of castle, Reichsburg Castle, Cochem, Rhineland-Palatinate, Germany

Aerial view of town, Marksburg Castle, River Rhine, Rhineland-Palatinate, Germany

Low angle view of castle, Reichsburg Castle, Cochem, Rhineland-Palatinate, Germany

Aerial view of castle at riverside, Stahleck Castle, Bacharach, Rhine River, Rhineland-Palatinate, Germany

Reichsburg, Cochem, Rhineland-Palatinate, Germany

Castle on hill, Eltz Castle, Wierschem, Rhineland-Palatinate, Germany