Shenandoah National Park will honor America’s wilderness heritage during its 18th annual Wilderness Weekend, September 8 – 9. Today, more than 110 million acres are protected in the National Wilderness Preservation System. Wilderness designation provides enhanced protection of areas that are used as sanctuaries for human recreation, habitat for wildlife, and sites for scientific research.

Most everyone loves to fling a Frisbee around the yard. But when that Frisbee gets flung or washes up onto an out-of-reach beach at Glacier Bay National Park, and it becomes a toy for wolves, that's a problem, park staff point out.

By drips and weeps over thousands if not millions of years, beauty is created underground. Here in the subterranean world the moist air and mineral-rich water create castles, not in the sky, but in the caves of the National Park System.

For the second time this summer, the body of a missing hiker has been found in the high, rugged backcountry of Rocky Mountain National Park in Colorado.