If your trip to Crissier is all booked but your travel itinerary is looking a little empty, let us give you a few hints and tips.If your family and friends ask why you're coming here, just show them a few images of Lausanne Cathedral and Olympic Museum. These terrific attractions guarantee you'll have an awesome trip.Stop by CIG de Malley. It's one sight you'll find on many visitors' must-do lists. If you still have space on that itinerary, Espace des Inventions and Place de la Palud will keep you entertained too.