As more travelers return to Europe for multiple visits, many are on the lookout for another dimension in travel. Occasionally they want to skip historical sights and museums in favor of a trip-or a day- just for fun. They're ready for absolute R&R; looking to break up serious sightseeing with hot-air-balloon trips, mountain luge rides, country hikes or days at an amusement park. They're seeking new adventures in Europe-flights of fancy-spiced with great meals and local libations of course. This time, Rudy shares his personal picks of Europe Just for Fun.