Overuse of the Government Wash Area of Lake Mead National Recreation Area by visitors who have been staying indefinitely, and resulting damage to cultural resources, crime, and illegal road creation has prompted the National Park Service to close the area to vehicles and overnight campers.

A 70-year-old scuba diver died at Isle Royale National Park while exploring the wreck of the Emperor, a 525-foot-long steel bulk freighter that sank in 1947.

A Mexican gray wolf with a penchant for roaming far and wide is being held in a U.S. Fish and Wildlife Service facility in New Mexico, apparently because she hasn't produced a litter.

A wildfire approaching 31,000 acres in size on Thursday threatened Stehekin in North Cascades National Park in Washington state, with officials warning residents and travelers there to be ready to evacuate.