If your trip to Santa Marta de Penaguiao is all locked in but your travel itinerary is a bit on the empty side, let us give you a few hints and tips.There's nothing better than discovering new places. While you're here, Douro Museum and Dourocaves Winery ought to be among them. If you still have tons of stamina and room on that itinerary, Peso da Regua Parish Church also awaits.