Josh Gates goes to the coast of Florida and Cuba in search of sunken treasure from a fleet of Spanish ships sunk in 1715.

Recently disclosed audio recordings and astonishing photographs may provide the most conclusive evidence to date that the Ozark Howler may have demonic origins.

The researchers make a major breakthrough whilst investigating several Sasquatch sightings in central Oklahoma. Have they finally found Bigfoot DNA?

McCarthy is under attack from awakening bears. Jeremy's livestock is attacked and he goes on the hunt. While Gary searches for horses spooked by a grizzly.

Don Wildman examines an unlikely alliance between the military and a mob boss, a death-defying voyage on the high seas and a high-flying heroine.

Andrew samples foods that have sustained soldiers and civilians since the Civil War. Dishes include barbecued raccoon, squirrel stew and tooth-cracking hard tack.

Andrew Zimmern continues his quest to taste the weird and wonderful foods of the USA. He heads to Chicago where plankton is on the menu.

Actor Bruce Campbell reveals the story of the inventor Joseph Herscher. Plus, he introduces a hand-balancer who performs with his pet Chihuahua, Scooby Doo.

Don Wildman explores the story behind one of the world's best-selling toys, the hunt for a notorious bank robber and a global phenomenon.

A team of researchers seeks answers to mysteries surrounded the Mothman. They explore theories that the legendary cryptid is an abnormality in the evolutionary chain.

Andrew Zimmern continues his quest to taste the weird and wonderful foods of the USA. He heads to Chicago where plankton is on the menu.

Andrew heads south to explore Louisiana's Cajun country. He dines on blood sausage, feral hog meat and crab, as well as chewy ginger cakes and seafood gumbo.

Spring means locals can finally reach the outside world to resupply. Jeremy walks a bull calf home through bear country and faces off with a hungry black bear.

Could NASA really be responsible for a nuclear explosion on Jupiter? Could new evidence finally reveal the truth behind the mystery of the iconic face on Mars?

Investigating giant geoglyphs drawn into the earth by ancient Nazca tribes, Josh Gates flies to Peru to study newly-found lines and joins a psychedelic ritual.

Actor Bruce Campbell reveals the story of the inventor Joseph Herscher. Plus, he introduces a hand-balancer who performs with his pet Chihuahua, Scooby Doo.

2.9 million Americans have reported symptoms of alien abductions. A team of experienced investigators are on the trail of the most disturbing cases.

A UFO crashes in Pennsylvania. Was it a secret Soviet satellite, or something far more dangerous? On Mercury, NASA finds the impossible: frozen water.

What was the story behind a showdown for gold in Deadwood? And, what happened in a booze-fuelled rebellion in Pennsylvania?

When a pilot crashes after a collision with an unknown object, could a UFO be to blame? Plus, what is the explanation for a disk hovering at O'Hare airport?

Don Wildman travels to Dallas to question eyewitnesses, scrutinise 50-year-old files and examine brand-new evidence surrounding the assassination of President John F. Kennedy.

Jeremy fights rising rivers to find timber for Neil's lumber project. At the Mother Lode, Neil takes a gamble on excavating a new entrance.

The team find a clue that leads them to consult with a local who is knowledgeable of the area. With his help, they find the entrance to a secret underground tunnel system.

Most of the Founding Fathers and fourteen Presidents were Freemasons. Some say Washington DC is laid out as a Masonic code. What other secrets are the Masons hiding?

A campus policeman is lured into a building by the vengeful ghost of a murdered student, and an officer encounters a deceitful spirit inside a courthouse.

Back in Tennessee, the boys investigate a legendarily brutal prison every southerner feared - the Brushy Mountain State Penitentiary.