We went on the Castle tour + 2...Beringer & Farmstead.
The castle was FANTASTIC! The tour was really cool and they poured a lot of wine during the tasting. Next, we drove to beringer to have our picnic lunch (delish! ) if you wanted to taste wine at Beringer, you could go to the tasting room or just wander the grounds which are gorgeous. The final stop was Farmstead. Upon exiting the trolley, we were guided to an area set up for a tasting. The only option was a flight of wines for $34.
We opted out and left the tour.
Overall this was a really really good tour... be prepared to drink quite a bit!