T+E

A brutal double murder shocks Northern California's peace-loving and laid back Marin County; with residents reeling, police chase an elusive killer through three counties and multiple crime scenes to unravel a twisted tale of terror.

The haunting memory of childhood molestation causes a tae kwon do prodigy to turn to the numbing effects of drugs at the age of 15; six years later, the former athlete is deeply addicted to crack cocaine and IV opioids.

Examine mysterious holes in Isreal; explore a ghost village hidden in the Colombian jungle, a shipwreck off the coast of Sri Lanka and a gutted airplane fuselage abandoned in Iceland.

A doll comes to life at a notoriously haunted hotel; a UFO is spotted flying close to a volcano; a man gains a ghostly bedmate; locals are stumped by strange lights in the Ozarks.

The haunting memory of childhood molestation causes a tae kwon do prodigy to turn to the numbing effects of drugs at the age of 15; six years later, the former athlete is deeply addicted to crack cocaine and IV opioids.

From beyond the grave, dead loved ones comfort the bereaved Pauline and Stacey.

Mitch's dead father and Salwa's ghostly sister return to tell the two how to live their lives.

The first sightings of the UFO flap in Piedmont, Mo. are reported; Over 500 reports are made in the following months; A family driving to Ontario encounters mysterious lights and a cigar-shaped craft.

Cousins Billy and John Smith encounter a massive ship triple the size of a football stadium; guards at Malmstrom Air Force Base in Montana spot an unidentified object overhead.

Aircraft pilots and passengers have a scary experience when they come into close proximity to objects that doesn't appear on radar, accelerate at dizzying speeds and then stop on a dime.

Unlock an abandoned site on a remote Antarctic isle and check out mysterious shapes in the Finnish snow; puzzle over an inexplicable monolith in the far reaches of Norway, then get shocked by a blood-red frozen waterfall at the bottom of the world.

Mitch's dead father and Salwa's ghostly sister return to tell the two how to live their lives.

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A brutal double murder shocks Northern California's peace-loving and laid back Marin County; with residents reeling, police chase an elusive killer through three counties and multiple crime scenes to unravel a twisted tale of terror.

Investigate an abandoned village in the shifting sands on Dubai's outskirts and a collection of inexplicable stone circles in Colombia; a mysterious hilltop tower in Iran and a puzzling purple phenomenon in Chile's Atacama Desert.

A man encounters a shadow creature in his bedroom; an unidentified light is spotted above Fairbanks, Alaska; a Detroit brewery is visited by an angelic entity.

Two double murders five years apart take place in Omaha, Neb.; could a doctor connected to the victims, fuelled by rage and revenge, be to blame?

Raised in Northern California, Kenny excelled in football and had big dreams of playing in the NFL, but a misstep in high school triggered a series of events that left him homeless and addicted to dangerous amounts of fentanyl.

Kelly, Tonya and the Alcoa Police Department investigate the 1990 rape and murder of a beloved 80-year-old grandmother and consider if the perpetrator may have been a sadistic random intruder or a member of her own family.

Looking beneath the veneer of money, connections and fast cars that surrounded Tennessee couple Joe and Tina Coronna; learning how secret lovers, shady investments and threats to reveal Joe's financial sins added up to the perfect recipe for murder.

A man encounters a shadow creature in his bedroom; an unidentified light is spotted above Fairbanks, Alaska; a Detroit brewery is visited by an angelic entity.

Investigate an abandoned village in the shifting sands on Dubai's outskirts and a collection of inexplicable stone circles in Colombia; a mysterious hilltop tower in Iran and a puzzling purple phenomenon in Chile's Atacama Desert.

For centuries, legends and eyewitness accounts have told of a massive, hairy creature that roams the forest on two legs.

A Tennessee man may have captured footage of the infamous Dogman creature without realizing it; communicating with extraterrestrials using a laser pointer; a giant structure at the bottom of a lake may be an underwater Stonehenge.

A large black creature emerging from a family's toilet could be some kind of mythical creature; an eerie radio station may secretly be part of a Russian military plan; an astronaut sees something out the window of the International Space Station.

Uncover discoveries that threaten to shatter our understanding of the past; each new discovery confronts our fascination and fear for what is hidden, illuminating the darkest recesses of history.

For centuries, legends and eyewitness accounts have told of a massive, hairy creature that roams the forest on two legs.

A Tennessee man may have captured footage of the infamous Dogman creature without realizing it; communicating with extraterrestrials using a laser pointer; a giant structure at the bottom of a lake may be an underwater Stonehenge.

A large black creature emerging from a family's toilet could be some kind of mythical creature; an eerie radio station may secretly be part of a Russian military plan; an astronaut sees something out the window of the International Space Station.