Grand Canyon National Park

Where in the World: arizona, usa Website: nps.gov/GRCA status: international dark sky

Park (provisional) an enormously popular destination for tourism, Grand canyon village was, until recently, incredibly light polluted. that's all changed, with an enormous effort underway to replace light bulbs and cut unnecessary lighting. on the south rim, Grand canyon visitor center regularly holds constellation tours and free telescope viewing after dark, while astronomers often set up telescopes on the veranda of the north rim's Grand canyon Lodge.