National Parks

How to be a good citizen on the hiking trail

Peru protects vast 'Yellowstone of the Amazon'

What's the best way to photograph the most photographed barn in America?

Road-tripping couple Hula-hoops through America's national parks

Finding peace with a pack, a trail and lots of time

Uh-oh: Glass-bottom bridge in China cracks

Park vs. refuge: What's the difference?

Precise timing makes these must-see photos

The walkway to Old Faithful is now paved with recycled tires

See the entire Pacific Crest Trail in 3 minutes

Panorama flaunts majesty of Marymere Falls

10 must-see treasures outside of Yellowstone