If your trip to Nantes is all sorted out but your itinerary is looking a little empty, let us give you a few hints and tips.Take in the best that this city has to offer by adding Passage Pommeraye and Chateau of the Dukes of Brittany to your must-see list. If you’ve got some extra time, take a look at Nantes Cathedral and Jardin des Plantes as well.Not too far from the city center, Machines of the Isle of Nantes is one sight you might like to consider putting on your must-see list. If you still have space on your itinerary, Ile de Versailles and Place Royale will keep you busy as well.