If your trip to Ubiarco is all locked in but your travel itinerary is a little on the empty side, let us give you a few hints and tips.Plan a stop at Caves of Altamira. It's one attraction you'll usually find on many visitors' must-do lists. If you still have some room on your schedule, Santillana del Mar Zoo and Collegiate Church of Santillana del Mar will keep you on the go too.