Ancient hot springs and volcanic rock define modern vineyards and a new way to dine in Calistoga. Visiting geysers erupting from deep within the earth, Leslie joins with local wine growers to discover the secrets around American wine's place in the world. In the process, a little relaxing romp in the mud, a lesson at the potter's wheel, and eclectic recipes for fried chicken and kale salad from a Michelin-starred chef make the visit to Calistoga rewarding.