This one-week cruise combines the majesty of two great European rivers - the Rhine and the Danube. Explore the Upper Middle Rhine Valley with its numerous castles, and experience the tranquil Main meanders. Travel the man-made Main-Danube canal - a stunning technological marvel - as you transit onto the beautiful Danube. Discover the half-timbered buildings of Miltenberg and Wertheim, along with the UNESCO World Heritage Sites of Würzburg, Bamberg and Regensburg.