A brown bear used an official Denali National Park and Preserve sign as its personal scratching post. Watch it here.

A bear attack on a hiker in Glacier National Park has prompted a warning from officials: Fall is a dangerous time in bear country.

You wouldn’t have guessed it was still summer a few weeks ago in this popular national park. Check out this insane summer snow storm.

Planning a trip to enjoy the changing leaves and rich colors? This fall foliage tracker makes it simpler than ever to get the timing right.

A Cheetos bag made Carlsbad Caverns National Park mad. It’s not just a piece of trash, the park argues. It’s much, much more.

The hottest place on Earth, Death Valley National Park, experienced the hottest meteorological summer on record. But how hot was it?

A thru-hiker was solo hiking in Glacier when she encountered a grizzly bear. Her intense video went viral on social media.

Watch a group of bikers make their way through a dense herd of bison on the road at Yellowstone National Park.

Darryl and Kathleen Toupkin have officially visited all 430 of the national park units—a journey they started unintentionally decades ago.

Lightning struck two visitors to the Horseshoe Bend overlook in Glen Canyon National Recreation Area, a National Park Service-managed site.