You can also have a national-park experience for free another way, by visiting one of the 20 national parks that don’t charge ...

Sites are booked through Reserve California. The only indoor accommodations in Redwood National & State Parks are a few rustic cabins in Prairie Creek and Jedediah Smith that can also be booked ...

Many other states—like California, Arizona, and Montana—have two parks on the list. It’s no surprise that Arizona ranks highly on the list, as the state has many dark sky reserves ...

For its study, it analyzed outdoor destinations across the globe using eight data metrics, including wildlife and plant diversity, light pollution levels, rainfall, the number of national parks ...