Some states have all the luck – they have several national parks and pristine night skies above. A few that come to mind are Utah, Arizona, and Colorado. But don't overlook Nevada, the neighbor to the west! Nevada is home to just one national park, Great Basin, and it too is an epic stargazing location...

For a place with death in its name, Death Valley National Park is surprisingly full of life. Vegetation persists even in the driest, harshest climates; birds, bats, and bugs thrive in their little niches within the ecosystem; there are even springs and creeks where vegetation and animals flourish in the hottest place on earth. And that's all just describing the daytime – Death Valley is more full of life at night, when cooler temperatures bring animals out of holes where they escape the heat all day and stars whirl overhead...

Hawaii may not have many national parks, but the ones it does have are stunning. On the Big Island, there's Hawaii Volcanoes National Park, one of the most reliably active places to experience volcanic activity and see the scars and changes it leaves behind. Then there's the only other national park in Hawaii, Haleakalā, on the island of Maui....

Towering above the landscape, Mount Rainier is the most dramatic and arguably most beautiful of the Cascade volcanoes. This mountain range stretches from northern California to southern British Columbia in Canada – and is dotted by old, sleeping volcanoes including Mount Rainier. Of the extinct volcanoes that draw hikers, mountaineers, and outdoors-folk...