According to ancient Hawaiian legend, the ghosts of long-dead warriors rise on the darkest nights of the year to march in a terrifying procession through the islands. Cliff is determined to encounter this bone-chilling phenomenon himself.

Exploring surprising truths behind mythical monsters and legendary killers. This time, how did a fairy tale inspire the Chicago World's Fair killer?

Explore the legends of Netherworld monsters like the Jersey Devil, said to roam the New Jersey Pine Barrens, and Krampus, the goat-legged Christmas demon.

Even after centuries of study, the human mind remains as inscrutable as ever. Could the quintessential human machine, the brain, be even more powerful than we realise? And does that suggest that fantastic abilities such as remote viewing will one day be recognised not as science fiction, but as science fact?

How do some people live through the impossible? Whether it's plane crashes, bearing freezing temperatures or performing superhuman feats while in danger? Remarkable tales of human survival force us to reconsider what we know about our own will to live. Do we have a hidden reserve of inexplicable energy locked away inside us that only gets released when the situation calls for it?

Throughout the ancient world, structures were built to mirror the constellations in the night sky - and, in most cases, this is only apparent when they are viewed from high above Earth. Is it possible these structures were designed as messages for extraterrestrial visitors? Or were they puzzles left here on Earth for us to solve?

Experts question whether ancient myths provide evidence that reptillian aliens are more than just pop-culture creations and staples of science-fiction.

Excitement abounds when Gary uncovers what could be a "friend of the cross."

With a dangerous hurricane approaching, the team scrambles to find evidence of what might be buried beneath the swamp before the storm can wipe out their efforts.

The Mark of the X: A treasure map leads Wayne and the team to an unexpected discovery. Could it be the legendary Lost Dutchman's treasure? (2 of 6)

Jarrod and Brandi hope for more good luck as the buyers return to San Diego. Meanwhile, Ivy comes across a cross-dressing locker. But how much is it worth?

Mary learns a harsh lesson about Dave at auctions in Rancho Palos Verdes, California. Meanwhile, Rene puts a secret strategy to the test.

Weapon-makers go head-to-head building everything from Viking battle axes to Samurai swords and Indian claw daggers.

In this special edition it's an all-Ford lineup spanning four decades. Driver skill separates the pack during the Bumps & Jumps, one driver is forced to go for broke on the Balance Beams, and for the two finalists the Green Hell is a struggle for both man and machine.

An elite knife thrower attempts to hold onto his Nepalese Kukri, and a 100-year-old Barong gets a workout.

The chilling story of the Nazi concentration camps is told through the eyes of Auschwitz Commandant Rudolf Hoess who had an illicit affair with a female inmate. (5 of 6)

The Warsaw Uprising and war minister Albert Speer come under the spotlight as the series exploring the Third Reich from the Nazis' perspective concludes.

The team battle against a typhoon while trying to prove that the unique formation of rocks they have found could be a secret entrance into the mountain.

Rick gets hold of Kareem Abdul-Jabbar's prized personal memorabilia and correspondence from General George Armstrong Custer. Can he seal the deals?

According to ancient Hawaiian legend, the ghosts of long-dead warriors rise on the darkest nights of the year to march in a terrifying procession through the islands. Cliff is determined to encounter this bone-chilling phenomenon himself.

Traces the long and ferocious rivalry between Coke and Pepsi, focusing on the 'New Coke' debacle of 1985. For almost 100 years, Coke had been the undisputed leader in the multibillion dollar global soda industry - stodgy, predictable, but indisputably top dog - while Pepsi had been the upstart, forever poking at its big brother with cutting-edge advertising. But in 1985, in a stranger-than-fiction twist, Coca-Cola's executives took a step so daring that no one in either company could believe it: they changed the formula of the most popular beverage on the planet.

Throughout the ancient world, structures were built to mirror the constellations in the night sky - and, in most cases, this is only apparent when they are viewed from high above Earth. Is it possible these structures were designed as messages for extraterrestrial visitors? Or were they puzzles left here on Earth for us to solve?

How do some people live through the impossible? Whether it's plane crashes, bearing freezing temperatures or performing superhuman feats while in danger? Remarkable tales of human survival force us to reconsider what we know about our own will to live. Do we have a hidden reserve of inexplicable energy locked away inside us that only gets released when the situation calls for it?

Aerosmith's legendary tour van gets an overhaul just in time for a visit from rock'n'roll royalty.