Do wild hogs in the United States grow to monstrous sizes'

In 2007, residents of North Carolina started losing pets and farm animals.

Visit America's haunted Lizzie Borden house, witness paranormal experts' findings.

Just miles from the industrial cities of Ohio, there is a bogeyman.

Head deep into the Venezuela wilderness.

Archaeological evidence suggests that common rats once grew to massive sizes.

Black beast" strikes England livestock; team probes.

El Chupacabra,' first sighted in 1995, blamed for multiple farm animal deaths.

Native American history is full of "Hairy Man" stories and cave art.

1700s New England vampire scare lasted a century, causing havoc in communities.

Historic sightings of massive boat-sinking octopus; divers probe North Pacific.

The Monster of Whitehall is a huge, unidentified creature seen in NY in 1976.

Join divers, biologists and forensic sketch artists as they team up.

Travel to Hubai, China to uncover the bipedal 'Wild-Man' creature.

Are big bears are getting more assertive and aggressive'

Does a monster of gigantic proportions thrive one thousand feet under the ocean'

Join an expedition into the wilderness of South America.

One of the deadliest fish in the ocean, the Bull Shark, can tolerate fresh water.

Investigate Blue Mountains for extinct Megalania lizard, huge venomous reptile.

Something has been attacking a remote cabin in Northern Ontario, Canada.