If your trip to Guidonia Montecelio is all booked but your travel itinerary is looking a bit empty, we can give you a helping hand.Marco Simone Golf Club is a significant attraction in this impressive city. Swing by and see what all the hype is about.Nothing tops visiting new places. While you're staying in town, Villa d'Este and Roma Est should be among them. Another attraction to bear in mind is Hadrian's Villa.