If your trip to Tres Marías is all locked in but your itinerary is looking a little empty, let us give you a helping hand.There's nothing more enjoyable than exploring new places. While you're here, Lagunas de Zempoala National Park and La Paloma de la Paz should be among them. If you still have loads of energy and room on your schedule, Museo de Cuauhnahuac is also whispering your name.