The Deep Blue Mystery: The James McGraw Crater Lake Disappearance (1989)
In December 1989, James McGraw vanished from the snow-covered rim of Crater Lake National Park, leaving his locked car parked near Rim Village.
CRIME ARCHIVES
Month: September 2026
The Boy Scout on Mount San Gorgonio: The Jared Negrete Mystery (1991)
In July 1991, 12-year-old Boy Scout Jared Negrete vanished on a troop hike near the summit of Southern California's Mount San Gorgonio.
Vanished in the Dunes: The Kirk Thomas Meyer Case (2015)
In June 2015, Kirk Thomas Meyer vanished while camping in the remote Medano Pass primitive area of Great Sand Dunes National Park, Colorado.
The Vanishing of Joseph Halpern: Rocky Mountain National Park (1933)
In August 1933, 28-year-old CCC worker and mathematician Joseph Halpern set out on a solo Sunday hike to Taylor Peak in Rocky Mountain National...
Honeymoon into Oblivion: The 1928 Grand Canyon River Mystery of Glen and Bessie Hyde
In November 1928, newlyweds Glen and Bessie Hyde navigated their wooden scow into the Grand Canyon. Their intact boat was found floating upright at...
The Lost Botanist of Redwood National Park: Diana Cavagnaro (1997)
In April 1997, 68-year-old botanist Diana Cavagnaro stepped off the trail in Redwood National Park to inspect coastal flora and vanished into the ancient...
Vanished in the Sandstone: The Jimmy Hendrick Arches Case (2020)
In August 2020, 66-year-old Jimmy Hendrick vanished while exploring the red rock sandstone formations near Sand Dune Arch in Arches National Park, Utah.
The Hoh River Disappearance: The Pete Daniels Olympic Mystery (1975)
In October 1975, experienced backcountry hiker Pete Daniels walked into Washington's Olympic National Park along the Hoh River trail and vanished without a trace.
Vanished from Indian Cove: The Laura Bradbury Joshua Tree Case (1984)
In October 1984, 3-year-old Laura Bradbury vanished from Indian Cove campground in Joshua Tree National Park within a two-minute window. An in-depth investigative case...
Vanished in the Minarets: The Matthew Greene Case (2013)
In July 2013, 39-year-old expert mountaineer Matthew Greene vanished while climbing in the rugged Ansel Adams Wilderness of California's Sierra Nevada.