Explore sites of historical interest in Napa County. Learn about the people, places and ideas that have made Napa what it is today. Based on expert research by the Napa County Library, this free app allows you to explore Napa County as you never have before: take a virtual tour, view period photographs, and explore the heritage behind one of the world's premier destinations. Each page includes historical anecdotes, local lore, and a variety of multimedia.