Episodes

When a toddler vanishes from a campground in Joshua Tree National Park, her name becomes a national headline overnight. The decades-long investigation to determine what happened to her leads authorities in many directions and a father to the brink of his sanity.

When two women are viciously gunned down in a Pennsylvania state forest, authorities are left chasing a man who knows the mountains like the back of his hand.

Two young girls vanish into thin air along the boundary of Glacier National Park in Montana. Their disappearance plagues a small Montana community for years, until a ruthless predator strikes again, leading authorities to the doorstep of a sadistic man who claimed to have no memory of his horrific deeds.

A Canadian park ranger and his wife are gunned down inside their cabin in Riding Mountain National Park. For 90 years the suspect has eluded Royal Canadian Mounted Police investigators.

When two young lovers are found brutally murdered in a designated park shelter on the Appalachian Trail in Pennsylvania, authorities work quickly to capture their killer.

In 1991, a Montana man and his beloved dog failed to return from a 4-day hike searching for shed elk antlers in Yellowstone National Park. Questions surrounding what happened to them range from accident to animal attack to murder and the truth of what really happened to Daniel Campbell remains hidden even three decades later.

In the summer of 1958 a ten-year-old boy vanished from a Catholic church camp in Rocky Mountain National Park. The mystery surrounding what happened to him seemed straight forward, until horrific secrets of the camp he loved surface and sent investigators into an entirely new direction.

Acadia National Park may exist on an island but in the late 1970's a human predator showed up there and started hunting.

In 2012 the disappearance of a young man working in the trucking and oil industry of North Dakota raised alarm for citizens...but the saga of events and murder-for-hire plots that followed left everyone in this portion of the badlands baffled and bewildered.

In 2015, when a young man shows up dead in a doorway of a historic church in Great Smoky Mountains National Park, rumors about who stabbed him to death run rampant in communities surrounding Cherokee, North Carolina.

In 2018, two seasonal workers at an inn on the Blue Ridge Parkway in Virginia set out on a hike and only one returned alive. The reality of who was behind the demise of Sara Ellis is incomprehensible and to this day remains a horrific case for investigators and the victims' family to relive.

On New Year's Day in 2012 park ranger Margaret Anderson encountered a violent man on an icy roadway in Mount Rainier National Park.