Viking's Longships sail the Danube in winter I realized I was in the middle of an amazing experience when Viking River Cruises' brand-new Viking Freya glided silently along the Danube and tied up in the Bavarian town of Passau amid a downpour of large, fluffy snowflakes that swirled all around us. www.vancouversun.com/travel/Viking+Longships+sail+Danube+winter/7722074/story.html