Float past clifftop castles, storybook villages, and vineyards on this European riverboat cruise that highlights the best of Germany, according to Rick Steves.

View over towns Sankt Goar and Sankt Goarshausen on bank of Rhine River - Julia Lavrinenko/Getty Images The River Rhine is one of the most historically and culturally important rivers in the world.

Add Yahoo as a preferred source to see more of our stories on Google. Düsseldorf is a key stop – or departure point – for a cruise on the Rhine - frantic00/Getty Images/iStockphoto b' With more ...

The River Rhine is one of the most historically and culturally important rivers in the world. Emerging in the mighty Alps in Switzerland, it flows north and west across a vast stretch of central ...