Barnes was a resident of Cucamonga, California in 1988. He left Tenaya Lakes near Highway 120 east of Tioga Road in California at approximately 9:00 a.m. on July 5, 1988. Barnes planned to hike from the Murphy Creek Trailhead to Polly Dome Lakes in Yosemite National Park, which are located approximately three miles from Tenaya Lakes.

Christopher and his family were staying at their summer trailer home in Hinsdale County, Colorado in July 1984. The residence was located in a mobile home park on the edge of the San Juan National Forest, approximately 17 miles northwest of Pagosa Springs, Colorado.

Laan was last seen on November 26, 1982. His father dropped him off at Toland Road at noon so he could go on a hiking trip in the Los Padres National Forest in California. Laan never returned from the hike. He has never been heard from again.

Bowman was last seen in Lemhi County, Idaho on November 8, 1981. He disappeared while on a hunting trip in the Salmon National Forest and has never been heard from again. Few details are available in his case; he is presumed to have gotten lost or injured in the area.

Stacy rode into an area of Yosemite with her father and 6 others where they reached a cluster of cabins, where people could rest up overnight. The group tied the horses and some of them went into the cabins to freshen up. After getting changed into different clothes Stacy left her cabin with the intention of photographing the lake, she had her camera with her.

Atterbury was last seen near Pike National Forest in Castle Rock, Colorado on June 27, 1981. She disappeared with her boyfriend, Oscar Joseph McNear Jr. Photographs of McNear are unavailable. His date of birth is April 5, 1951; he was 30 years old at the time of his disappearance. He’s 6’0 tall and 160 pounds.

It’s been nearly 30 years since ranger Paul Fugate disappeared while patrolling the wilds of Chiricahua National Monument. What happened to him remains a mystery to this day.

When a ranger on solo patrol in a remote area of a national park fails to return, the event rarely becomes what you’d call a true disappearance. Search and rescue procedures being as good as they are, a ranger who’s lost, stranded, or injured can reasonably expect to be rescued in pretty short order. Even if the missing person is no longer alive, remains are typically found within a few days, weeks, or months.

Alfred was last seen in Rocky Mountain National Park in Colorado on July 2, 1938. He had gone on a fishing trip with his parents and ten older siblings for the Independence Day weekend. Alfred was with his family on a trail near Fall River when he fell behind the rest of them and vanished. His family searched for him before contacting the park rangers.

Leichner and her friend Pamela Nater went on a picnic with Aquaholics, a skin-diving club, in the Alexander Springs Recreation Area of the Ocala National Forest in Altoona, Florida between 2:00 and 3:00 p.m. on October 2, 1966. They attended the picnic with Leicher’s fiancee and Nater’s date.

In episode 3, we discuss the disappearance of Bobby Bizup, who went missing on August 15, 1958 while attending summer camp at St. Malo Retreat which sits on the Southeastern edge of Rocky Mountain National Park in Colorado. Almost a year after his disappearance, a broken hearing aid, some ripped clothing, and bone fragments were found nearly 2000 feet up Mount Meeker, in an area already searched by authorities.