Deep sea explorers discover an unknown monster thousands of feet beneath the ocean. Killer fog threatens a town in the American Midwest. A truck spontaneously explodes on a busy freeway.

A strange creature like the Loch Ness Monster is recorded in America. Experts analyze evidence of a giant scaly egg, and some wonder if it belongs to a dragon. Birds are suddenly vaporized by an invisible death ray.

An explorer searching for treasure at a Mayan sacrificial site is attacked by a mysterious underwater fog. Thousands of fish spontaneously jump to their deaths. Something alien appears over the skies of Lost Angeles.

A fire-breathing crater burns in the middle of a desert and some suspect it's a gateway to hell. A deadly shark is found lurking in a golf course water hazard and experts are baffled how it got there. A giant white blob threatens a California town.

A giant creature in an armor of ice is spotted in the Alaskan wild, and some suspect it's a deadly mythical monster. A jet has a close encounter with an unknown object. Evidence of a deadly lightning strike invites paranormal explanations.

When a shark is eaten by a mysterious predator, experts wonder if a prehistoric monster is to blame. A sinister sight is caught on tape near Russia's Area 51, and the evidence might point to a cover-up.

Evidence of ghostly apparitions is captured at a Civil War battlefield. When strange blue fires start near Yellowstone, some worry if a supervolcano eruption is imminent. Near the site of the Salem Witch Trials, an eerie spectacle stuns scientists.

When a river of blood washes through a city's streets, some witnesses believe it's a warning of doomsday. A strange perfect circle emerges in the clouds about California, and some experts speculate that it's evidence of alien activity.

When a ghostly figure is caught on tape stalking people in Japan, some fear its hard evidence of a spooky local legend. A mysterious flame appears in the Norwegian wilderness with the fury of the Viking god Thor and it could be a secret weapons test.

When a massive spider's web takes over a park, experts investigate if this monster's trap could capture a human. A tree spurts out thick red blood, and some believe it could be an undiscovered species of carnivorous plant.

Near Area 51, a police convoy is filmed transporting a alien-looking craft in the dead of night. When strange beams of light are reported in Argentina, experts investigate if it's proof of a terrifying Nazi superweapon.

A sinister locomotive breathes fire into the night sky, and locals fear it's a demonic train coming to claim their souls. When something terrifying emerges from a mysterious lake in Ireland, experts wonder if it could be a modern-day leviathan.

When a terrifying tower of fire is caught on camera, eyewitnesses fear an alien invasion, and using cutting-edge science, experts investigate the threat causing this nightmarish phenomenon—and if a cover-up is hiding the truth.

When something strange is caught on camera in a tunnel beneath the Colombian jungle, experts wonder if it's a wormhole to far-off places in the cosmos, and using cutting-edge tech, they investigate if there's an interdimensional conspiracy at play.

In Egypt, a freakish animal is caught on camera, and using cutting-edge tech, experts investigate if this strange beast could explain the secrets of a satanic deity that was once believed to have been worshiped here.

When a bizarre, alien skeleton is found in an abandoned compound in the Himalayas, some speculate that it's the corpse of a newly-dead dinosaur, and using cutting-edge tech, experts investigate if it's evidence of a top-secret Jurassic Park.

When a massive plume of smoke suddenly erupts from the ground in Manhattan, experts investigate if this terrifying event is evidence of a volcano that's waking up beneath the streets of New York City—and if it's almost due to blow.

On a Native American reservation in Utah, evidence of a man transforming into an animal is caught on camera, and some experts ask if it's proof of a Skinwalker, a legendary evil creature that can shapeshift into a deadly beast.

When something strange is recorded flying in Mexico, some wonder if it's a witch reputed to kidnap children, others believe it's evidence of a new way to smuggle drugs or top-secret technology; the latest science helps experts investigate the truth.

When footage of a strange deep-sea vessel is uncovered, experts wonder if its evidence of an autonomous alien craft sent to explore earth, and using cutting-edge tech, investigators follow the clues to an unexpected explanation.

When a mysterious fog and a huge explosion strike at once, some suspect a napalm attack on American soil, but using cutting-edge tech, experts find that the truth could be more dangerous than ever imagined.

When a ghostly encounter in a cemetery is caught on camera, experts use cutting-edge tech and the latest science to investigate if something paranormal is at play.

When a strange, dried-out creature washes ashore downriver from a nuclear power plant, some experts suspect it's the mummified corpse of a mutant; using the latest science and tech, this incredible theory is put to the test.

Moments before Pablo Escobar's abandoned luxury building is demolished, cameras capture footage of a ghostly figure in the window, and some believe it was the notorious drug lord himself; experts investigate who this phantom was and what happened to them.

When cameras record a strange creature in the wilderness perform an incredible feat of strength, some suspect it's hard proof of Bigfoot; using cutting-edge science, experts investigate if they've discovered the spawn of Sasquatch and Iron Man.

When cameras capture footage of a swam of millions of strange creatures invading a church, some wonder if it's evidence of a grisly secret buried in the ground below; using cutting-edge tech, experts investigate the threat this insect army poses.

Cameras capture something shocking in a cemetery: empty graves, as if the dead walked out in the middle of the night; using cutting-edge tech, experts investigate what's behind this apparent evidence of zombie activity.

When cameras capture footage of a highway swarmed with snake-like creatures and an unexplained ooze, experts investigate the origins of these alien creatures; the latest tech reveals where they came from and their top-secret purpose.

When cameras capture footage of a massive, never-before-seen sea creature in mysterious waters near Japan, some experts wonder if it's an undiscovered underwater monster; using cutting-edge tech, investigators hunt for this beast of the deep.

A family encounters a ferocious wall of fire that erupts and engulfs a Beijing highway. Local tribesman discover a foreign, giant blob in the Amazon rain forest, and during a video call, a woman unknowingly captures a figure lurking in her home.

When cameras capture footage of a strange, human-sized egg floating in Arctic waters, some experts wonder if it's evidence of alien life; using cutting-edge technology, investigators try to reveal the true origins of this unexplained discovery.

After cameras capture footage of a UFO over Las Vegas, officials claim it's just a meteor, but some suspect something far stranger; using cutting-edge tech, experts investigate if it's evidence of an alien visit or a top-secret military project.

When cameras capture footage of a man who appears to lay an egg, some experts wonder if it's evidence that scientists created a human-reptile mutant through gene manipulation; using cutting-edge tech, investigators put this horrifying theory to the test.

Security guards encounter a door repeatedly opening and slamming shut.

Experts investigate how a boy can twist his head 180 degrees.

Experts investigate footage of an ape-like creature in Russia.

A bizarre explosion is captured that morphs into a sinister black ring of smoke above a California football stadium; experts investigate and uncover an underground network of Satanists with connections to a string of modern-day terrorist plots.

Security cameras capture an empty car moving as if driven by a ghost.

Experts investigate evidence of flying, fire-breathing creatures.

When footage reveals a man's leg taking on a life of its own, it appears that something alien is trying to burst free; cutting-edge science investigates what explains this strange and sinister possession, and what it takes to exorcise the invader inside.

Footage of a fearsome wolf-like creature in the remote wilderness of northern Canada could be evidence of a dire wolf, a prehistoric beast that went extinct at the end of the last Ice Age; experts use cutting-edge tech to investigate if it has returned.

A bizarre, tentacled black mass emerges from the seas on an island in the Caribbean, and on-lookers are horrified as it writhes ashore; experts use cutting-edge tech to investigate the origin of this alien invader.

Doctors discover a mysterious parasitic species inside a man's nose.

Two young men capture a demonic figure in the mountains of Jordan.

A young woman captures a doll that mysteriously comes to life inside a closet as she house sits alone in Dallas; experts investigate and reveal terrifying accounts of haunted dolls possessed by demonic souls.

A village mourner at an Indonesian funeral films a dead man's hand waving through the glass window of a coffin; experts investigate and uncover powerful local priests and the practice of black magic rituals to reanimate corpses back from the dead.

Cameras capture a wave of fire chasing terrified citizens on a city street.

Cameras capture a stroller crash onto the tracks of a subway in London.

A sudden sewer explosion in China buries two young girls in rubble.

Cameras in Kazakhstan capture a bizarre blast as train cars on a quiet railway suddenly explode in a raging inferno.

A surveillance camera captures a woman vanishing from her bed as she sleeps next to her husband in their suburban English home. Experts investigate and uncover numerous police records that report a strange pattern of nearby alien abductions.

A medical assistant films as a snake is extracted from a patient's mouth.

Cameras capture a towering 1,600 foot pillar of flame erupting from the Caspian Sea off the coast of Azerbaijan; experts investigate a potential link to the nation's weapons arsenal and military aspirations over disputed neighboring territory.

Cameras capture an explosion that rips a home apart in Ontario, California.

Cameras capture a huge fireball erupting in a North Korean border town.

Cameras capture stunned pedestrians running for cover as droplets of fire begin to rain down on the streets of St. Petersburg, Russia; experts investigate a network of nearby tram lines and the effect of a sudden lightning storm.

A vacationing family films waves of fire on the shores of Indonesia.

A villager captures a series of explosions on a mountainside in India.

Motorcyclists film a bizarre, elongated humanoid creature walking along a road in Jharkhand, India; experts investigate the violent history behind an organized cult of professional robbers and murderers who targeted unsuspecting travelers.

A villager films a river bank suddenly rising as though a gigantic creature is emerging from beneath the waters in India; experts investigate a potential network of criminal gangs who may be stripping river beds of a very valuable commodity.

Cameras capture mysterious objects that explode over the skies of Norway.

Cameras onboard a massive cargo ship in the Black Sea capture the vessel buckling and breaking in half as if seized by a mysterious force; experts investigate a bizarre area of perilous waters linked to a history of Bermuda Triangle-like sinkings.

A gravity-defying cube spins through the skies over Missouri.

A truck engulfed in flames barrels down a lonely Brazilian highway...

A man filming a wedding flees in terror as a mysterious explosion rips through the festivities; an explorer in the wild jungle of Vietnam comes across a bizarre tree whose trunk shimmers as though it is alive...

CCTV footage captures a ghostly disturbance in a French chateau; experts try to uncover a worldly explanation for this shocking mystery...

A hunchbacked creature scurries out of the jungle in Costa Rica; experts consider if this could be the mythical beast known as La Mona, a person with a rare medical condition, or the result of a powerful drug known as the devil's breath...

A monk unveils what looks like the corpse of a mermaid; a note claims that the creature was caught in the 18th century; experts investigate the possibility that the strange figure was actually a hominid that evolved to live in the ocean.

A stargazer in Scotland films what looks like a ship breaking off from a meteor in an area known for UFO sightings; experts consider whether this could be a high-tech NASA operation, a delicate military refueling maneuver, or something else entirely...

In Washington D.C., a naked man chases after a car at superhuman speed; experts consider if the man could be the product of government attempts at creating a super soldier, or the failed result of a mind-control experiment...

A bus in the Italian countryside is found spewing powerful jets of fire; experts consider whether the vehicle was being used as a type of weapon, or if the blaze was the result of the fuel that the bus used or the battery it ran on...

Two nighttime explorers find a figure skulking around in an open grave; experts consider whether this person could be a tombstone tourist, the unlucky victim of a drug cartel or simply a person looking for some shelter.