It's always interesting exploring old homes. Wander around Villa Sciarra and try to imagine how this historic house once was.
You'll have sightseeing choices galore in Rome Historic Centre. Villa Sciarra is an ideal place to begin here, but there are lots of other fine sights to visit. St. Peter's Basilica, Roman Forum, and Piazza Navona are not far from the historically significant residence and will fill in your day nicely.