The Danube River is one of Europe’s longest and most historically significant rivers. It stretches over 2848 kilometers through ten countries, starting in the Black Forest of Germany and emptying into the Black Sea in Romania. The river has been a vital source of transportation, trade, and cultural exchange since ancient times. Travel along the Danube will take you to some of Europe’s most spectacular natural scenery and the cities and ruins of man’s attempt to secure its bounty.