Case in point:
Freshly unemployed, former business executive Bruce J. Colburn flew to the far northwest corner of Montana in search of a place to die.Closer to home, there have been suicides on the Blue Ridge Parkway over the years, most notably in the area around Afton Mountain.
In early October, he paid a hotel clerk to drive him into Glacier National Park. He spent the night in a campground and then made his way on foot to a valley between two deep glacial lakes. On a forested slope not far from the trail, he shot himself in the chest with a handgun, according to park officials.
A 46-year-old carpenter with cancer climbed into a canoe and vanished in Everglades National Park.
A 49-year-old builder blamed the economy in a note he left for his ex-wife and attorney before killing himself at the edge of the woods at Georgia's Kennesaw Mountain National Battlefield Park.
A 65-year-old university biology professor disappeared into Utah's Canyonlands National Park, telling relatives in a note he was returning "body and soul to nature."
A 70-year-old woman left a suicide note in the trunk of her car at Arizona's Saguaro National Park before killing herself about a half-mile from a trailhead.
Three people, in separate cases, jumped off a towering bridge at West Virginia's New River Gorge National River.