"Bubbleheads, behold our guide to Sonoma and Napa wineries that specialize in sparkling - and what bubbles you shouldn't miss when you visit," says Sarah Stierch. She adds, "Nestled among grenache and syrah vineyards in the Dry Creek Valley, Amista produces Rhône varietal - and a touch of chardonnay - wines with an emphasis on sparkling."

Read more in "Best Sparkling Wineries in Sonoma and Napa," by Sara Stierch in Sonoma Magazine.