If your trip to Frechen is all locked in but your itinerary is looking a little empty, let us give you a few hints and tips.Whatever you do, don't forget to take your camera when you go to RheinEnergieStadion. This terrific attraction is sure to provide some incredible photo ops.Stop by Keramion Museum. It's one sight you'll usually find on travelers' must-do lists. If you still have space on your travel itinerary, Castle Park Gleuel and Terrassen-Freibad will keep you on the go as well.