Palazzo Piccolomini is a fascinating and grand structure that has housed some of the region's richest and most important people. Allow some time in your itinerary to view it for yourself.
This historic stately house in Siena Historical Center comes recommended by travelers, so make sure it features on your schedule. However, don't end your sightseeing there. There are many more attractions waiting for you to explore after Palazzo Piccolomini. Siena Cathedral, Torre del Mangia, and Piazza del Campo are nearby.