If your trip to Bettendorf is all locked in but your travel itinerary is a little on the empty side, let us give you a helping hand.Vianden Castle is a notable attraction in this marvelous city. Swing by and find out what makes it so alluring.Stop by National Museum of Military History. It's one sight you'll usually find on many travelers' must-do lists. Deiwelselter and National Museum of Historical Vehicles are also not far away and worth taking the time to see.