When college student Andy Miller returns to his parent's ranch in Arizona, he is confronted by the possible existence of a terrifying creature of Native American legend.

On the last leg of her around-the-world adventure, solo sailor Sharon Novak encounters something monstrous lurking in the deep waters of Monterey Bay.

Raw footage of an un-aired survival program details a solo expedition that goes horribly wrong when the host is bitten and stalked by a supposedly extinct jungle creature.

Three friends sneak out into the night to film themselves skateboarding in an isolated area. On their way, they are attacked by a massive winged creature.

Footage from what should have been a routine recon mission reveals a labyrinthine nightmare as a marine unit finds itself trapped inside a nocturnal netherworld of mysterious flying creatures.

Her field reports clearly indicate that someone or something is watching Rachel Glen, the lone Fish & Game researcher in a remote forest outpost.

Locals claim that a demon lurks in the depths of Oklahoma's lakes & rivers, hungry for human flesh. The legend becomes a horrifying reality for a group of high school grads who head to a lake to celebrate their last days together.

Paranormal researchers are summoned to a rural village to investigate "demonic" activity. What they find instead is an unexplained phenomenon of an entirely different sort -- evidence of a previously undocumented owl-like creature.

Deep in the bayous of Louisiana lives a creature believed to be half man, half reptile. Despite the warnings of their seasoned guide, a research team ventures deep into the marshy maze and stumbles into the terrifying creature's lair.

In a warehouse known for illegal animal trafficking, something enormous has just slithered out of a crate clearly marked "dangerous". On the same night, two animal rights activists gain entry to expose the company's nefarious owner.

A group of college students head to a local cemetery to initiate a new member. Throughout the night, they are confronted by a ghostly black dog that terrifies them before vanishing. As their misfortune unfolds, they are confronted with a dark secret.

Sightings of a mysterious creature were reported before the collapse of the Silver Bridge in West Virginia. FBI interrogations of a man held in connection with the disaster reveal more of the sinister messenger.

Two lifelong friends are forced to spend the night in the desert after losing their way during a grueling ATV race. As dark descends, the sands of the Gobi begin to stir. Something vicious lurks beneath the desert floor.

Beneath the city, an unknown horror slithers in the sewer system. A news crew follows two firemen underground to track down a family pet. But what they ultimately discover is a different creature entirely, not human or reptile ...

A family renovating their new home soon discovers they are not alone. At first they attribute the creepy noises and midnight scampering to raccoons. But what they discover is a secret room in the basement, a hidden lair inhabited by nocturnal beasts.

In rural Arkansas, a horrifying local legend comes to life. A city slicker joins his southern friends for a deer hunt, but when their actions draw the attention of a ravenous creature that roams Boggy Creek, the real hunt begins.