The Grand Canyon is Arizona's most famous landmark. Here's everything to know if you're going to visit, plus 10 interesting things to know.

Though the Grand Canyon and Yellowstone often dominate the national-park hype, Bryce Canyon National Park has quietly earned ...

Monday marks 108 years since the Grand Canyon was declared a National Monument. It's "the one great sight which every American should see," according to Theodore Roosevelt. As the only of the Seven ...

Foreign visitors to the Grand Canyon, Yellowstone, and other U.S. national parks will pay higher entrance fees than Americans starting in January, President Donald Trump's administration said on ...

Taking kids on an adventure vacation can be a rewarding experience, filled with opportunities for learning and bonding. Here ...

The percentage of international tourists to the world’s first national park has dropped by half over six years, raising ...

Geysers in Yellowstone National Park are facing a new, unassuming threat. Plus, a 30-year-old woman has just broken the speed record for the Grand Teton trail. Outside has you covered in this edition ...