I recommend going before the crack of dawn, because these free days are popular and you’ll find lots of people on the most ...

Ever gazed up at the stars and felt that magical awe wash over you? As cities grow brighter, it's becoming harder to ...

Alternatively, there are several methods for visiting the national parks without paying a dime. From planning trips on free entrance days to using a volunteer pass, here’s every single way to visit ...

The National Park Conservation Association has identified 13 national monuments it considers at risk after a recent Interior Department order.

From Grand Canyon to Petrified Forest to Saguaro National Park, here are the best things to do in Arizona's most beautiful places.