Fine Wineries Napa Valley resident, winemaker, and estate winery owner, Igor Sill, compiled a list of the most popular, high-rated wineries in Napa Valley from TripAdvisor and Yelp. Then, he visited each and every one of them, unannounced, to find out if they lived up to all the hype 5 Best Napa Valley Wineries V. Sattui Winery St. Helena, Napa This…