If your trip to Santo Domingo de la Calzada is all organized but your travel itinerary is looking a little empty, let us give you a few hints and tips.Close to the city center, Rioja Natura Zoo is one sight you might like to consider putting on your must-see list. If you still have room on your itinerary, Ojapark and Santo Domingo de la Calzada Cathedral Museum will keep you entertained too.