Explore Napa Valley’s sparkling side with a tour of its most iconic bubbly producers — including Schramsberg, the historic winery served at the White House for over 50 years. From the elegant terraces of Domaine Carneros to the artistic flair of Mumm Napa and the French roots of Domaine Chandon, this itinerary is perfect for lovers of fine fizz, scenic views, and fascinating wine history.