Discover Holland and Belgium and the best of the Low Countries aboard the Viking Longship Skirnir's "Tulips & Windmills" river cruises. Admire the genius of the Dutch Masters at Amsterdam’s Rijksmuseum. Explore Hoorn’s seafaring heritage, Arnhem’s World War II history and Antwerp’s Renaissance splendor. See colorful ribbons of farmland as Dutch tulips come into bloom. Sample Belgian beers and chocolates. Step into the Middle Ages in Bruges. Roam Keukenhof Gardens, the world’s largest floral park.