Jessica Chobot and Phil Torres dive into the legend of Mothman by searching for clues in a long-sealed bunker and a top-secret Air Force base.

The surge of human activity surrounding the discovery of an ancient city sends Phil Torres and Jessica Chobot deep in the Cambodian jungle to search for a monster that has been terrifying locals for centuries.

Phil Torres and Jessica Chobot power through camera malfunctions and emotional breakdowns in order to find an explanation of what is happening on the Island of the Dolls -- a dangerous place that locals have long avoided.

Phil Torres and Jessica Chobot investigate a strange phenomenon that's been haunting Mammoth Cave for generations.

Phil Torres and Jessica Chobot follow headlines of hidden hangars and strange orbs of light into an active volcano in Washington.

Adventurer Josh Gates, scientist Phil Torres and paranormal researcher Jessica Chobot investigate reports of supernatural encounters, mysterious creatures and extraterrestrial phenomena.

Phil and Jessica head to Lake Lanier, a manmade lake that covers over 20 cemeteries and the bodies still buried there; they investigate in and around the deadliest lake in America to uncover rumors of drownings and ghostly encounters.

Josh Gates' team heads west to investigate America's most haunted town. Locals claim the spirit of a notorious bandit spooks the town because of a wrongful hanging. Phil and Jess' investigation leads them into a dangerous abandoned gold mine.

Bizarre cattle mutations in the Pacific Northwest lead Josh Gates to send his team to investigate. The baffling deaths make Jessica and Phil question if the cattle were victims of newly arrived apex predators or the target of something more sinister.

Josh Gates dives into one of America's oldest witch stories. In the Tennessee backwoods, locals report being attacked in a vast cave system. Jess and Phil go underground and uncover frightening piles of bones as well as potential human remains.

Terrifying apparitions in a Texas swamp lead Josh Gates to send his team to the notorious Big Thicket. The area is crawling with venomous snakes but what really frightens Phil and Jess are mysterious Ghost Lights that have haunted locals for generations.

Josh sends Jessica and Phil to hunt for the infamous Jersey Devil.

Phil and Jess investigate a 30-foot serpent in Lake Champlain.

Josh joins Jess and Phil to track down a half-man, half-beast in Wisconsin.

Josh, Jessica and Phil close in on the Beast of Bray Road.

Responding to recent UFO sightings, Josh Gates sends his team to New Mexico for a new investigation into the infamous, unsolved Socorro Landing Incident; using never-before-used technology and with new witnesses, Jess and Phil look to solve Socorro.

Josh wants to investigate ghostly sightings and terrifying sounds coming from an abandoned canal along the Potomac. Jess and Phil dive into the murky depths and search secret tunnels that make this America's most haunted waters.

Chasing Bigfoot's origin story, Phil and Jessica uncover a rash of recent sightings and bone-chilling new evidence in the Pacific Northwest. New leads about a frightening encounter send them into rocky, dangerous terrain along Mount St. Helens.

Shocking, declassified video captured by the U.S. Navy triggers Jess and Phil's investigation into mysterious, supersonic craft flying above -- and racing below -- the waters off California's Catalina Island.

Jess and Phil's investigation into the phenomenon of unidentified submerged objects off the coast of Catalina Island intensifies after the discovery of an extraterrestrial underwater base between the island and the mainland.

Hikers are going missing amid reports of grotesque, human-like creatures prowling Appalachia's Great Smoky Mountains. Phil and Jess venture into the unforgiving wilderness to investigate the truth behind terrifying sightings of feral people.

Horrified locals in southern Iowa are reporting sightings of a giant winged creature -- the same mysterious beast that terrorized the town of Van Meter 100 years ago. Phil and Jess are on a mission to unearth clues to what's lurking in the shadows.

Josh sends Phil and Jessica to Bangkok, Thailand, to search for the group behind terrifying warnings of global catastrophes and natural disasters.

Lake Superior's treacherous waters have claimed thousands of lives. After witnesses report ghostly lights and sounds, Phil and Jess dive into an investigation to uncover the truth behind alleged paranormal activity on Michigan's Shipwreck Coast.

Phil and Jess gain unprecedented access to investigate ghostly voices and apparitions in the massive Civil War stronghold, Ft. Morgan. The clock is ticking; Gulf Coast storms threaten to destroy the 200-year-old Fort and the mysteries inside.

Jess and Phil dive deeper into the tragic history of Fort Morgan; haunting bell sounds beyond the Fort’s walls trigger a dangerous search in the churning waters off Alabama’s coast; “Kindred Spirits’” Amy Bruni and Adam Berry join the investigation.

Phil and Jess probe the science behind geology's strangest phenomena while investigating mysterious objects flying around Mexico's tallest active volcano.

Jess and Phil venture deep into the Ozarks to investigate a mysterious predatory beast. Eyewitnesses, surveillance footage and new recordings of bone-chilling howls lead the team to a shocking revelation about the legendary creature.

In the Yucatan, Phil and Jess investigate watery caverns believed to be portals to the Maya underworld. Some say angry spirits are to blame for strange lights and bizarre animal behavior, but the sacred cenotes hide secrets far darker than any legend.

At the site of America's deadliest avalanche, witnesses report bizarre apparitions and sickly feelings of dread. Phil and Jess venture deep into Washington's Cascade Mountains to investigate a shocking cover-up and test a mind-bending scientific theory.

Phil and Jess search whitewater rapids and a frigid Alaskan lake for a legendary beast that's now the target of serious scientific inquiry. Armed with new eyewitness accounts and advanced underwater robotics, the team takes a deep dive for answers.

Deep in the Peruvian jungle, where deadly wildlife lurks at every turn, a supersized beast is terrifying locals. Phil tracks what could be an unknown species, while Jess hunts for evidence that a legendary creature known as Yacumama is on the hunt.

Braving shark-filled waters and deadly undersea tunnels, Jess and Phil probe reports of the Lusca, a sea monster said to be attacking Bahamian locals. Their hunt takes them deep into unexplored “blue holes” -- and could expose shocking military secrets.

Josh Gates and fellow paranormal researchers Phil and Jess investigate a decaying mental hospital in Detroit where reported hauntings threaten all who brave its abandoned halls.

After capturing an unknown entity on film, Josh Gates and his team attempt to communicate with spirits that still reside in the asylum -- including the ghost of a 10-year-old girl who drowned during a freezing hydrotherapy treatment.

A murderous monster is said to lurk in the vast swamplands near New Orleans; Phil and Jess investigate an ancient Cajun mystery surrounding a bloodthirsty werewolf-like beast terrorizing the Bayou.

Phil and Jess travel to Monterrey, Mexico, where locals tell of encounters with witches and black magic; upon investigating these stories, they find evidence of dark spells, blood rituals and animal sacrifice.

Phil and Jess investigate an abandoned gold mining town haunted by its inhabitants from over a century ago. Traveling deep inside the town's deserted mines, they uncover the town's blood-soaked secrets and a multitude of paranormal activity.

Phil and Jess travel to Ireland and the UK to investigate a centuries-old secret society whose most elite members were known to practice satanic worship and ritual sacrifice.

Phil and Jess investigate Utah's Uintah Basin, a region teeming with paranormal activity -- including numerous UFO sightings, cattle mutilations and reports of shape-shifting creatures.

Phil and Jess continue their investigation into Utah's infamous Uintah Basin, where reports of UFO encounters have terrified locals. The team uncovers stunning new evidence when attempting to contact extraterrestrials.

Phil and Jess explore the world's most haunted forest near the site of the Dracula legend and where Josh Gates had his most terrifying experience; during a night investigation, Jess finds herself being watched by someone or something sinister.

The team heads to Alaska, America's last frontier, to investigate reports of a murderous sasquatch; Phil and Jess travel deep into the wilderness and have a truly hair-raising close encounter with what locals call "The Hairy Man."

Josh Gates sends Phil and Jess to reportedly the most haunted place in America, Mackinac Island; this remote island has experienced over 1,000 years of bloodshed, and residents report they are now plagued by terrifying paranormal activity.

Jess and Phil are joined by The Ghost Brothers as they continue their investigation of Mackinac Island; the teams explore a lighthouse with a dark past and realize the troubled past of the island is more widespread than they thought.

The team journeys to Okinawa, Japan to investigate reports of possessions by the spirits of people who died in the bloody battles of World War 2; they travel into the dark heart of the island where sinister caves hide shocking secrets.

Jess and Phil head to England in search of a legendary monstrous beast that's said to stalk the wilderness.

Jess and Phil dive into the mysteries of Niagara Falls. The popular honeymoon destination is also the site of a deluge of horrors.

In the aftermath of Japan's 2011 Fukushima nuclear disaster, citizens began reporting something truly amazing: UFOs. Phil and Jess enter a radioactive wasteland to discover the stunning truth behind these extraterrestrial encounters.

The group heads to West Virginia for a two-part investigation at one of the most haunted buildings in America: the Trans-Allegheny Lunatic Asylum, a sprawling abandoned psychiatric hospital with a tragic history and countless reports of paranormal activity.

Josh, Phil, and Heather continue their investigation into the Trans-Allegheny Lunatic Asylum, where thousands died after disturbing medical procedures. It's said their ghosts roam its now-abandoned halls.

Phil and Heather investigate the world's most iconic cryptid: the elusive Loch Ness Monster. Joined by actor and monster hunter Rhys Darby, they journey deep into the Scottish wilds to explore compelling new evidence beneath Loch Ness' murky waters.

The team heads south to a haunted city: Savannah, Georgia; they investigate horrifying reports of violent paranormal activity inside one of its oldest buildings, the Sorrel-Weed House, where a family died in shocking circumstances.

Heather and Phil continue their investigation of Savannah's haunted past.

Phil and Heather journey into the Florida Everglades on the hunt for the Skunk Ape, a bloodthirsty cryptid said to be menacing in both size and stench; tracking it closely, the team heads deep into the swamps before having an unforgettable encounter.

The team goes to England to explore Chillingham, Britain's most haunted castle; thousands died in brutal battles on its grounds or by horrifying tortures in its dungeons; now, hostile spirits are said to roam the medieval building, seeking vengeance.

The team investigates reports of what some believe is a government conspiracy: the Dogman; this half-wolf, half-man monster is said to stalk the Michigan wilderness, and some even say this creature was created by the US military.

Heather and Phil travel to the most haunted chateau in France to investigate terrifying stories of hostile ghosts linked to strange and savage murders. As they investigate, it becomes clear that the castle hosts more paranormal forces than they imagined.

The team heads to Arkansas, where a legendary swamp monster has terrorized the small, rural town of Fouke for over a century.

Phil and Heather journey to the Czech Republic to investigate a castle reportedly built over a literal Nazi portal to hell.

Heather and Phil continue their deep dive into Nazi occult activity in nearby Poland where they investigate Nazi strongholds that harbor terrifying secrets.

Heather and Phil travel to France to track down werewolves that have terrorized the locals for centuries. As their investigation deepens, they must figure out if this beast is supernatural or an elusive wolf not yet known to science.

Heather and Phil travel to an ancient Mayan city in search of a spirit named the Stone Lady. But these aged ruins carry more threats besides vengeful spirits: poisonous snakes, scorpions, and tunnels on the verge of collapse.

In part two of this investigation, Phil and Heather descend deep into the Mayan underworld to explore a vast subterranean cave believed to be the realm of menacing, ancient spirits.

Phil and Heather journey into the Kentucky wilderness, searching for sasquatches rumored to be highly intelligent.

Heather and Phil head to Tennessee's Brushy Mountain Penitentiary to investigate terrifying reports of possession and confront the violent, powerful, and hostile forces lurking in its remains.