Legend has it that a fearsome werewolf-like creature known as the rougarou lurks deep in the Louisiana bayou; determined to track down the beast's lair, Cliff Simon navigates his way through the largest and deadliest swamp in the United States.

In the inhospitable desert of Southern California, sightings of a Sasquatch-like creature have made headlines for decades; Cliff Simon is determined to make a contribution to the ongoing investigation.

Cliff Simon goes on a recon mission through dangerous terrain to discover the source of the mysterious orb-like lights near Brown Mountain, N.C.

Hawaiian lore claims long-dead warriors rise on the darkest nights of the year to march in a ghostly procession through the islands; Cliff Simon arrives on the Big Island before the dark moon in hopes of witnessing the chilling phenomenon himself.

The Pine Barrens of New Jersey are said to be home to the Jersey Devil, a terrifying mythical creature with bat wings, a long tail and a horse's head; the legend surfaced 300 years ago, and Cliff Simon is determined to track it down for himself.