I have spent a total of 8 weeks in the Piedmont region, 2 week visits annually from 2016-2019, participating in a music festival in Alba. There are local tourist offices that can set you up with a winery tour and other tours. The food is exquisite.
The Piedmont region of Italy has the most UNESCO World Heritage sites in the world. Grinzane Cavour Castle I’ve visited twice. On one clear day I could see the Matterhorn from the castle. There are multiple hilltop castles. Turin has 25 museums. What I enjoyed most in Turin was the Royal Palace and gardens. The first Sunday of the month they offer free entrance to several of the museums, including the palace and gardens.
I stayed in Alba, where the music festival occurs. There are musical offerings there year round. Alba is a medieval town built on top of Roman ruins, where the center is shaped like an octagon based on the Roman wall structure. There are places in the town where portions of the Roman ruins are exposed. They also have underground ruins tours twice a month, conducted in Italian but you can get an English transcript/program of each tour. Alba is also the world headquarters of Farrero chocolate, the maker of Nutella. It is situated between the Barolo and Barbaresco wine regions. You can arrange a winery tour through the town tourist office. I arranged three winery tours myself; each one was different. Because we had 8 people on each tour, we paid about €60 each, and each time we also had lunch. The tours included a castle and/or old town visit in addition to the winery. There are wineries there that have been family owned for several centuries.
I took the local train into Turin and back. BTW, flying into Turin is easy. We were driven into Alba by small bus. Not much traffic once you left the city. It is much slower paced than the tourist capitals of Italy.
In the fall, Alba has a white truffle festival. But I only visited in the spring, so never experienced that. The themes of the region are: wine, slow food, truffles, music, hazelnuts, and chocolate.
I would have gone back for this year’s festival, but our group was excluded due to the refusal of our conductor to get a vaccine. (Grrrr).
Another issue is the Po River nearly dry.