A week after a trail runner was reported missing in the high country of Rocky Mountain National Park, searchers continued to hold out hope Thursday as airborne observers took to the skies over the rugged park.

While the U.S. Fish and Wildlife Service has agreed to resume work to recover the red wolf, its decision to label the species as "nonessential" under the Endangered Species Act has spurred a lawsuit by the Center for Biological Diversity.

The state of Wyoming has taken a key step toward unloading its last remaining 640 acres locked within the borders of Grand Teton National Park. The land, in the heart of Jackson Hole, could be sold at auction.

Perched on the rocky shore of a wilderness island in Georgian Bay, two “flowerpots” stand a respectful distance from each other, oblivious to the crowds surrounding them and the commotion they have caused for two centuries. These gravity-defying, some say mythical, sea stacks were formed when lake erosion “ate” at either side of stronger parts of the rock and eventually left the pillars isolated on the shore. Isolated in a geographic sense, yes — but rarely alone.