Dividing the city's Buda and Pest sides is the impressive Danube River. Flowing roughly 1,770 miles from west Germany through Austria, Slovakia, Croatia, Serbia, Bulgaria, Romania, Moldova and ...

The Danube runs neck and neck with the Rhine as being the most popular waterway for a river cruise. It flows through, or borders, 10 countries, which is more than any other river in the world.

As the continent’s second-longest river, it has served as a west-to-east conduit, giving rise to the many cities that line its banks, like Vienna, Budapest, and, in north-central Austria, the ...