If your trip to Napa, CA Airport (APC-Napa Valley) is all locked in but your travel itinerary is a little on the empty side, we can give you a few hints and tips.Why waste time hanging out at the airport when you have Artesa Winery sitting within easy reach?Visitors from all over come to see Napa Valley Wine Train, so make it one of your first stops after you hit the runway. Also worth checking out are Six Flags Discovery Kingdom and Oxbow Public Market.