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 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.

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.

Marine scientists discover a gruesome underwater death zone that seems to kill anything that dares to enter. When apocalyptic skies appear during a deadly earthquake in Ecuador, residents fear it's the end of days.

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 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.

An eerie creature is recorded stalking a Georgia forest, and some believe it's Bigfoot. Terrifying explosions rock the streets of Manhattan. Cameras record a mysterious object diving into a deadly volcano, leaving experts stumped.

A camera captures a person inexplicably bursting into flames. An ancient statue at a museum appears to come to life at night. An alien-like creature is filmed in the sewers. Eerie lights caught on camera may explain a mysterious death.

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.

A camera captures footage of a Chupcabra-like beast. On Hawaii's Mauna Kea, cameras record a mysterious explosion that looks like a nuclear bomb detonated in space. Video of spontaneous combustion is taken at a haunted bar.

A deep-ocean expedition discovers unnerving evidence of an alien-like monster stirring in the abyss. When a shockwave is caught on tape, investigators wonder if a meteor has hit a city. Something bizarre is happening in a Siberian ice river.

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.

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 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.

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.

A high-speed chase ends when the fugitive makes an impossible getaway. A Louisiana swamp devours 100-foot trees, and experts worry a nearby town could be next. Three cars are filmed mysteriously levitating at a busy intersection.

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 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.

Strange footage captures a mystifying monster, baffling marine biologists. Bizarre ghost lights haunt North Carolina mountains for centuries. When a giant explosion is caught on tape in New Mexico, investigators fear the US is under attack.

A strange beast is spotted in a remote Brazilian town. A cataclysmic blast sparks fears of nuclear disaster. When a child displays superhuman powers, some fear it's the devil's work.

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.

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 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.