If your trip to Sonoma is all booked but your itinerary is looking a little empty, let us give you a few hints and tips.Sonoma Plaza and Artesa Winery are some cool attractions that all visitors should make time to visit. Map out your route and spend a while looking around each one.Not far from the heart of the city, Sonoma TrainTown Railroad is one sight to consider adding to your to-do list. If you still have some room on that travel schedule, Mission San Francisco Solano and Buena Vista Winery will keep you busy as well.