Napa Valley is a world-famous wine region in Northern California, known for its vineyards, wineries and picturesque towns such as Napa, Yountville and St. Helena. Its Cabernet Sauvignon is celebrated internationally, and the valley is also a luxury destination for food, weddings and romantic travel. Rolling hills, golden light and rows of vines make it one of the most recognisable and most photographed agricultural landscapes in the United States.