Efforts to build cairns and deface rock faces along the upper stretch of the Mesa Point Trail at Petroglyph National Monument in New Mexico have prompted the park staff to close the uppermost segment of the trail.

National Park Service authorities at Lake Mead National Recreation Area are seeking information that could be used to identify two men suspected of pushing over natural rock formations.

Two small fires in the woods at Fort Raleigh National Historic Site in North Carolina are being investigated as arson.

The National Park Service's capacity for protecting, preserving, and interpreting cultural and historical aspects of America has been greatly diminished by funding and staffing losses, according to the National Parks Conservation Association, which is calling for a $250 million Cultural Resource Challenge for the agency.