An investigation was continuing Saturday into the death of a hiker whose body was found in the backcountry of Yellowstone National Park.

Within its roughly 521,490 acres, Great Smoky Mountains National Park probably harbors about 1,500 black bears, according to the park's biologists. And this summer, those bears have been particularly ornery.

With Hurricane Irene expected to bring high winds and heavy rains to the Eastern Seaboard, officials at the Delaware Water Gap National Recreation Area have decided to shutter much of the NRA in advance of the storm.

This northern Minnesota park's waterway system, consisting of four large island-studded lakes connected by narrows, was once the route of the French-Canadian voyageurs. A large peninsula with a glaciated, boreal forest landscape completes the ensemble.