If ever there’s a summer to road-trip between campsites in national parks, it’s this one. And while parks have seen record visitation in the past year, there’s plenty of space for everyone if you know where to look and plan ahead. We’re here to help on both fronts—read on for everything you need to know plan the ultimate NPS camping trip. 1. Piñon Flats, Great Sand Dunes, Colorado Colorado's Great Sand Dunes are the tallest in North America, and at Piñon Flats campground you can camp right at their base. Make a morning dash for the top of the 699-foot High Dune to beat the heat ...