If you're docking in the port of Civitavecchia and don't want to travel into Rome, I have a great local shore excursion for you. It's a Cooking Class at Ristorante Aqua Pizzeria, led by owner/chef Federico Biferali. Federico will pick you up in the port area and bring you back after the class. We went in September 2018 with two other couples. In the restaurant kitchen, we made gnocchi, sauce Bolognese, a chicken dish, eggplant parmegiana, tiramisu...so many wonderful things! After we finished all the prep and cooking, we ate what we made! It was accompanied by wine and beer (or something non-alcoholic if you preferred). At the end, we either went straight back to the port, or you could opt for a 2 hour tour around the area with Federico. We didn't do the tour, but if we go back, we will do it! Here is the website: www.cookingclassincivitavecchia.com. I highly recommend this!