29 Nov 2015 Attractions < 3 miles, castle, easy, napa county, north bay, wine tasting Castello di Amorosa 4045 St Helena Hwy, Calistoga, CA 94515 45 minute walking tour // indoor and outdoor Easy walking with wine tasting. Then we met up with my bio cousin for lunch in St. Helena and they took us for a tour and wine tasting. It was awesome! Beautiful and creepy. The wine was pretty tasty, too.