Episode 1 | The Greatest Escapes

Some of history's greatest tales are stories of escape, the most incredible of which defy explanation.. How did Harry Houdini pull off his daring feats? Was the "Escape from Alcatraz" in fact , successful?

Episode 2 | Superhuman Senses

Investigators look into people with special abilities, some of them bordering on the superhuman. From a person who can see with his hearing, to a person who can taste what he sees to a person who can slice a baseball at speed.

Episode 3 | Mysterious Curses

Throughout history, many have believed that certain places, things, or even people can be tainted with dark curses. Ominous lakes that morph into watery graves. Unlucky numbers that seem to cause bad things to happen. Paintings an...

Episode 4 | The Truth About UFO's

For decades, a debate has raged over whether UFO's actually exist, or what they are. Many theories have been attributed to them, ranging from test flights of super secret military aircraft to previously unknown weather phenomena.

Episode 5 | The Underground World

Despite all of our modern technology and sophistication, there is much that we still don't know about what lies beneath our feet, deep underground. What is at the center of the Earth? Is there really a solid core of heavy metals, ...

Episode 6 | Leading Double Lives

Stories of great impostors are both daring and baffling. What compels a person to attempt to become someone else? Is it merely for material gain, or to pull off an ingenious scam? Or is there a deeper reason? At one time or anothe...

Episode 7 | Mysteries of the Bible

Many believe it to be the Word of God, but others claim it contains inconsistencies and contradictions that could only be manmade.

Episode 8 | Mysterious Mummies

From ancient civilizations to 20th century empires, mankind has had an inexplicable fascination with preserving the dead. But why? Could it be that death isn't really the end, but rather a transition to a new beginning?

Episode 9 | Secrets of America's Monuments

Why is it that America's greatest monuments continue to enthrall us decades--and sometimes centuries--after their creation? And perhaps more importantly, what closely guarded secrets may their implacable facades be hiding?

Episode 10 | The Search for Atlantis

Did Atlantis really exist? For centuries, archaeologists have tried to uncover evidence to prove that this legend is true. Will Atlantis finally be re-discovered, perhaps by employing modern technology?

Episode 11 | Extraordinary Engineering

For centuries, humanity has been compelled to build remarkable structures that are much more than simple places of shelter or work. What makes us want to create magnificent buildings that are bigger and grander than ourselves--and...

Episode 12 | The Power of Gold

Mankind's quest for gold harkens back thousands of years, but what is the special power that gold wields over our collective consciousness? Is it merely because it's rare and valuable, or could it be something more than that?

Episode 13 | The Truth About Bigfoot

For centuries, legends and eyewitness accounts have told of a massive, hairy creature that roams the forest on two legs. While science has yet to prove the existence of this mythical man-beast, countless researchers and experience...

Episode 14 | Bizarre Vanishings

Mysterious disappearances are confounding and bizarre and simply can't be explained. Can these be chalked up to tragic accidents? Or could they be the result of something more...UnXplained?

Episode 15 | Serial Killers

The total disregard for life exhibited by serial killers shocks our sense of humanity. How could human beings be capable of these horrific atrocities? And what causes such a murderous defect in the human psyche?

Episode 16 | The Mystery of Plagues

Experts examine some of the most devastating plagues in human history, as well as the scientific advances made in combating, or at least minimising the effects of some of these diseases.

Episode 17 | Mysteries of the Moon

For centuries, humanity has looked up at the Moon with a sense of wonder. But is the Moon just a rock floating in space? Or could it hold profound secrets-and perhaps even possess incredible powers? That is what we will try and fi...

Episode 18 | Outrageous Robberies

Will we ever understand the motivations that drive people to undertake the most bizarre, intricate, and dangerous crimes -- or will the mind of a master criminal remain - UnXplained?

Episode 19 | The Hunt for Hidden Treasures

Episode 20 | Satanic Encounters

Episode 21 | Secrets of the Immortals

Episode 22 | Apocalypse When?