Take the train for 6 euros return from the termini and step back in time to one of the most amazing sites you will ever see. A huge insight into Roman life and a must see away from the city. Wear good shoes and allow a few hours to appreciate this quiet gem. Coffee shop and food at very reasonable cost .The ancient town of Ostia was once the main port into Rome, you can freely wander in Roman shops, homes and the theater with no restriction and marvel at the advanced society when us Brits were living in wattle and daub huts. Why people miss this superb insight into history is beyond belief-ITS A MUST SEE and well worth the train ride to marvel at Roman history and magnificence.