If your trip to Grilli is all booked but your travel itinerary is looking a little empty, let us give you a few hints and tips.Stop by Vetulonia Ruins. It's one attraction you'll find on many travelers' to-do lists. If you still have some space on that itinerary, Piscina Il Giunco and Isidoro Falchi Civic Archeological Museum will keep you entertained too.