Blue Danube Cruise - Wachau. A boat journey on the famous Danube is the ideal way to observe the captivating villages along its banks as well as visit Wachau, a World Heritage Sight. Featured stops include Melk, Stein, Krems, Durnstein, WEissenkirchen, Spitz, St. Michael, Aggstein Castle, Maria Taferl, Meik Abbey and more. 26 mins.