After centuries of believing the Loch Ness Monster dwells deep within Scotland's Loch Ness, a new theory paints a different story; experts explore evidence suggesting the monster may not only be real, but possibly more dangerous than ever imagined.

A team of experts and eyewitnesses seek answers about the Mothman creature; they explore theories that the legendary cryptid is an abnormality in the evolutionary chain, or even the result of an experiment gone horribly wrong.

Experts explore the many legends surrounding the Jersey Devil, a horrific monster said to a haunt the vast pine barrens of New Jersey.

Experts explore the legend of the Wendigo, a zombie-like creature doomed in Native American folklore to forever walk alone with its cannibalistic cravings; a new theory suggests this entity may come from somewhere not of this Earth.

DNA evidence suggests that the bloodsucking beast known as the Chupacabra has been found and that there are two versions of this terrifying creature.