If your trip to Groningen is all sorted out but your travel itinerary is looking a bit empty, we can give you a few hints and tips.Grote Markt and Groninger Museum are interesting attractions that everyone should make time to explore. Plan a route and spend an hour or so soaking up each one.Plan a stop at Prinsenhof Gardens. It's one attraction you'll usually find on most travelers' to-do lists. If you still have space on your travel itinerary, Visual Arts Centre and De Oosterpoort will keep you entertained too.