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.