How do grizzly bears and wolves in Yellowstone Nationa Park carry on when they don't think anyone is watching? Well, as these pictures show, they're not going after each other tooth and claw.

Clues possibly shuttled downslope by water and avalanches might hold the answer to what happened to a 27-year-old hiker who went missing in Glacier National Park three years ago.

A 26-year-old California woman was killed by a 600-foot fall while working her way down the cables on Half Dome in Yosemite National Park, according to a park release.

The 100th anniversary of the Weeks Act establishing national forests in the East was celebrated on the Blue Ridge Parkway this past Saturday as officials looked out over the first tract of land purchased under the law.