Castles, cathedrals, vineyards and forests: the romantic essence of Germany and its Swiss, French and Dutch neighbours is revealed on cruises along the Rhine and its tributaries, the Neckar, Main and Mosel. Stop off at such fine old cities as Basle, Strasbourg, Heidelberg and Amsterdam; take side trips along the Saar and to the truly grand duchy of Luxembourg. This guide sails through the heart of western Europe, inviting you to admire its art treasures, shops for craftwork and compare gourmet delicacies.