The Danube. The Blue Danube. Actually, the murky brown Blue Danube. But beautiful nonetheless. It is Europe's second longest river, originating at the confluence of the Brigach and Breg rivers deep in the heart of Germany's Black Forest. From there the river winds its way through ten countries, passing by four capital cities on a twisting 1,800 mile journey to the Black Sea. As early as the 7th century B.C.E. Greek sailors navigated the Danube. During the Roman period the river was used to transport goods from town to town. Some of Europe's most ancient trading routes follow the river. The Danube is a seemingly magical [READ MORE]