The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...

America’s Southwest is full of breathtaking canyons, but none as famous or as widely visited as the Grand Canyon. This world-famous landmark offers wondrous views, spectacular hiking, exhilarating ...

Yellowstone, Zion, and Black Canyon ... Grand Canyon. The location is so isolated from artificial light sources that it provides some of the most breathtaking night sky in the U.S. Park rangers ...