Museo Missionario di Propaganda Fide is a fascinating and impressive structure that has housed some of the area's most important people. Make time to see it for yourself.
You're spoiled for sightseeing choice when staying in Rome City Centre. Museo Missionario di Propaganda Fide is a great place to start here, but there are numerous other interesting attractions to discover. St. Peter's Basilica, Roman Forum, and Piazza Navona are not far from the historic stately house and will top off your day nicely.