The Danube
The Danube covers 2,888 km from its sources in the mountains of the Black Forest to its delta in the Black Sea, and is the second-longest river in Europe after the Volga. From Kelheim, the Danube is navigable for hotel ships. The cruise goes via Regensburg and Passau to Austria, and travels through such lovely landscapes as the sun-blessed wine-growing region of the Wachau. Dürnstein and Melk are the highlights along this route, before reaching Vienna, the metropolis on the Danube. The Slovakian capital, Bratislava, is as fascinating as the Hungarian landscape on the Danube bend and Budapest with its unique vistas.