If your trip to Guyancourt is all sorted out but your itinerary is looking a bit empty, let us give you a few hints and tips.A look at a postcard stand will tell you that a visit to Guyancourt is not complete without going to Palace of Versailles. Considered the most well-known sight in the area, you might want to schedule more time here than a quick stop.Plan a stop at Château de Versailles Gardens & Park. It's one sight you'll find on many visitors' to-do lists. If you still have room on your travel itinerary, Golf National Paris and Velodrome de Saint-Quentin-en-Yvelines will keep you amused as well.