If your trip to Gemmano is all sorted out but your travel itinerary is looking a little empty, we can give you a few hints and tips.Stop by Sanctuary of Madonna di Bonora. It's one attraction you'll find on many travelers' must-do lists. If you still have space on that travel itinerary, Grotte di Onferno and Santuario della Madonna di Carbognano will keep you occupied as well.