Palazzo Spada is a magnificent structure that has housed some of the area's richest and most important people. Allow some time in your itinerary to see it for yourself.
You'll be spoiled for sightseeing choice when staying in Terni. Palazzo Spada is an ideal place to start here, but there are numerous other worthwhile places to consider. Marmore Waterfall, Lago di Piediluco, and Basilica of S. Valentino are not far from the historic stately house and will top off your day nicely.