The Travel Channel HD

Investigating a desperate woman's claims in Concrete, Washington.

Investigating disturbing paranormal activity at a historic Hawaiian plantation.

Steve and Amy visit a terrified woman in Victorville, Calif., who claims her home is under attack from the paranormal and believes that whatever is lurking inside killed her roommate; she fears the entity will strike again if she can't get help.

Amy and Steve go to Oxnard, Calif., where a terrified mother is facing an onslaught of paranormal activity in her childhood home; she believes whatever's in the house killed her husband and her father, and if left unchecked, it will kill again.

Steve and Amy help a distraught woman in Graham, Wash., who is convinced her fiancé is possessed by a dark entity.

Amy and Steve visit a desperate woman in Port Orchard, Wash., who is adamant that an evil presence is targeting her family, especially her baby granddaughter.

Steve and Amy go to Wilmington, N.C., where a terrified couple believe evil forces are targeting their daughters; the worried parents claim the paranormal activity is turning violent, and they need answers before someone is seriously hurt.

Amy and Steve return to Wilmington, North Carolina, to help a distraught couple trapped in a vortex of sinister supernatural activity.

Cynthia and Pedro's dream of settling down in the Arizona desert is shattered by demonic forces set on tearing them apart.

Paula's childhood home always gave her an unsettling feeling, but she was never concerned for anyone's safety; when things take a dangerous turn after she moves away, Paula becomes terrified for her parents' lives and begs Cindy and Steve for help.

Bill and his daughter, Brittany, experience a string of supernatural events after they move to a remote cabin in Tennessee.

Kentucky's Octagon Hall is known for its paranormal activity, but that activity has turned violent following the death of the museum's founder; staff and guests are scared out of their minds, and the director Barry fears he'll have to shut it down.

Cynthia and Pedro's dream of settling down in the Arizona desert is shattered by demonic forces set on tearing them apart.

Paula's childhood home always gave her an unsettling feeling, but she was never concerned for anyone's safety; when things take a dangerous turn after she moves away, Paula becomes terrified for her parents' lives and begs Cindy and Steve for help.

Bill and his daughter, Brittany, experience a string of supernatural events after they move to a remote cabin in Tennessee.

Kentucky's Octagon Hall is known for its paranormal activity, but that activity has turned violent following the death of the museum's founder; staff and guests are scared out of their minds, and the director Barry fears he'll have to shut it down.

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Karen calls Tim and Sapphire back to Gunslinger Gulch to investigate a shocking, fire-branded omen; when Tim repels deeper into The Pit for answers, a confrontation with his own dark nemesis leads to painful revelations about the living and the dead.

Sarah Lemos brings disturbing visions of a nearby cave, while Sapphire uncovers a mysterious suicide connected to the Log Cabin; the team attempts to sever Karen from her traumatic past when a ring reveals a deceptive spirit is courting her.

Scott Di Lalla joins the fray as Tim and Sapphire use hypnosis to uncover secrets from the Broussard family's past, but a sinister spirit attachment hinders the experiment; frustrated, the team seeks out the darkness in two abandoned hospitals.

To convince his fractured team they are battling Beelzebub, Tim leads them to an epicenter of suffering, the Old Montana State Prison; the emotional experience pushes Tim to cross a dangerous line and summon the high-ranking demon.

The team splinters when Tim and Scott summon a demon despite Sarah and Sapphire's objections; when the experiment exposes a new threat directly tied to Karen, they must put their differences aside and fight the darkness together.

The team moves in to free the Broussards from the darkness plaguing them, but as the Gunslinger Gulch saga ends, Tim feels only dread.

The crew embark on one of their investigations at a mansion in Montecito, California; this historic home offers up shocking evidence.

The crew investigate rumors of dark forces at an abandoned home in La Crescenta, California, and whether Charles Manson put a curse on the family who lived there.

The crew is in Nevada to investigate a winery that's been plagued by fatal accidents; the terrified staff claim they are being stalked by an evil presence.

Zak and the crew investigate an Arizona high school plagued by paranormal experiences; exploring if the ghostly activity is linked to an abandoned cemetery or if the victims of a deadly explosion are calling out from beyond the grave.

Zak and the crew head to an Arizona mining town to investigate a former school where horrendous child abuse took place; the team unlocks the dark secrets that lie entombed in the walls of the building.

Zak and the crew go far off the beaten path in Arizona to investigate an abandoned sanatorium; dozens of deaths have left a heavy residue of pain and suffering on the building, making it a hotbed for aggressive poltergeist activity.

Zak and the crew rush to help a Nevada family who claim paranormal activity sent one parent to the hospital, and fear their young daughter is next; the team works to uncover the dark source of the psychological attacks hiding inside the home.

The crew goes to downtown Los Angeles to investigate the long-abandoned Roxie Theater, the site of a mysterious suicide; the once majestic movie house has been left to rot, making it the perfect refuge for lost souls - and a dark, foreboding energy.

Zak and the crew gain access to a shuttered Pasadena, California, hospital that has become a hotbed for devil worship; Zak suspects the evil originated with a heinous murder nearly 25 years ago.

Zak and the crew head to Utah to visit the site of an infamous frontier massacre. Is the centuries-old shame from the senseless slaughter of innocent men, women and children fueling a malicious entity beneath a nearby town?

Zak and the crew investigate an Arizona home sitting on land once occupied by a Native American tribe; the owner claims he's been affected by a dark, aggressive energy and believes an ancient entity is haunting his property.

Zak and the crew travel to the Bay Area to investigate aggressive paranormal activity at a historic hotel that has endured the brutal California Gold Rush, a smallpox epidemic and a period as a seedy flophouse.

Zak and the crew gain access to a shuttered Pasadena, California, hospital that has become a hotbed for devil worship; Zak suspects the evil originated with a heinous murder nearly 25 years ago.

Zak and the crew head to Utah to visit the site of an infamous frontier massacre. Is the centuries-old shame from the senseless slaughter of innocent men, women and children fueling a malicious entity beneath a nearby town?

Zak and the crew investigate an Arizona home sitting on land once occupied by a Native American tribe; the owner claims he's been affected by a dark, aggressive energy and believes an ancient entity is haunting his property.

Zak and the crew travel to the Bay Area to investigate aggressive paranormal activity at a historic hotel that has endured the brutal California Gold Rush, a smallpox epidemic and a period as a seedy flophouse.

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An eyewitness shares startling video evidence of extraterrestrial activity in Fairbanks, Alaska; a UFO hunter flies over Alaska's highest mountain in search of a secret underground alien base.

A cryptozoologist hunts for scientific proof of Bigfoot in the remote Alaskan wilderness; experts investigate a mysterious vortex of energy that may be behind unexplained disappearances and paranormal activity in the Alaska Triangle.

Experts investigate whether an interdimensional portal in the Alaska Triangle led to the disappearance of an airplane carrying 44 military personnel in 1950.

Seasoned Bigfoot hunters investigate whether a huge, ape-like beast is responsible for a string of disappearances and mutilations in the remote Alaskan wilderness; new evidence suggests woolly mammoths may have found safe haven in Alaska.

Most waterways of Alaska are still unexplored; local folklore tells of hidden channels and monstrous beasts lurking in the depths; one of the most terrifying of all those beasts is said to live in Lake Iliamna.

A young mother's idyllic Alaskan dream soon descends into a paranormal nightmare as she starts to suffer attacks by an unseen force; recent sightings may prove that a Native American legend about a mysterious race of giants is true.

An aggressive spirit attacks guests at a historic hotel in Juneau, Alaska, and a shape-shifting menace could be responsible for thousands of abductions in the Alaska Triangle.

In 1918 the SS Princess Sophia mysteriously sinks near Juneau, Alaska; experts seek answers to the cause of the shipwreck as a ghost hunter attempts to contact victims.

Compelling evidence suggests extraterrestrial visitors are hiding in the unexplored depths of the ocean; experts investigate the reports of ghost ships haunting the high seas around Alaska.

One of the most-famous UFO cases of all time occurred in the skies above Alaska when an unidentified flying object pursued a Boeing 747; locals suspect a monstrous bird is behind many disappearances in the Alaska Triangle.

A top-secret government facility beneath the Alaskan wilderness may be hiding an extraterrestrial pyramid; strange forces within the Alaska Triangle are making wildlife more aggressive toward humans.

A Sasquatch colony terrorizes the residents of remote Prince of Wales Island; decades of UFO sightings on Kodiak Island lead many to believe that aliens are working with the US military.

Don Wildman examines how an iconic headline came to be, the real-life inspiration for a literary villain and the search for millions of dollars of sunken treasure.

Don Wildman examines a stuffed bear that inspired one of the greatest children's books of all time, a fireman's pike used in an icy rescue mission and a bottle of whiskey that was once at the center of an illegal escapade.

The mysterious illness behind a composer's untimely death; the wartime rescue of 500 prisoners of war; the discovery that changed what scientists knew about the universe.

The mysterious illness behind a composer's untimely death; the wartime rescue of 500 prisoners of war; the discovery that changed what scientists knew about the universe.

Don Wildman investigates a record-breaking long-distance swimmer; a teenage war hero in Nazi-occupied France; the transformative tonic that lead to a salon franchise.

Don Wildman investigates a harrowing escape by stagecoach in the Wild West, a mysterious arsonist plaguing an Alaskan town, and the tale of a missing mummy.

The mysterious illness behind a composer's untimely death; the wartime rescue of 500 prisoners of war; the discovery that changed what scientists knew about the universe.