Rome Walking Tours In Rome, What Are Some "not To Miss" Points Of Interest Within Walking Distance Of The Hotel Sheraton Golf?

In Rome, what are some "not to miss" points of interest within walking distance of the Hotel Sheraton Golf? - rome walking tours

He stayed three nights at the Villa Pamphili ... it's all the sites, restaurants, museums, theaters, etc. nearby? (August 2008)

We will be isolated for several days after our visit ended and I would do everything in our spare time.