If you're curious about how wine flavors change with age or exactly what tannins are, check out Riverbench Vineyard and Winery. The trained staff can fill you in — and maybe even give you a taste!
To visit this wine-making establishment, find your way to Santa Maria. There are loads of other worthwhile attractions in this area, like Foxen Canyon Wine Trail, Rancho Sisquoc Winery, and Foxen Vineyard and Winery.