What exactly was this ancient weapon that destroyed enemy heavy infantry, elephants and cavalry? Watch as experts and archaeological digs reveal new evidence into this invention, which will be reconstructed.

Excitement soars when Kevin finally holds gold brought home from the arrest of Jefferson Davis, convincing him that his theory is true.

Worldwide, there have been hundreds of mysterious sightings spanning many centuries. Throughout history, these sightings have spawned countless stories.

The Romans, with the greatest army in the world, are annihilated by Germanic tribes at the Battle of Teutoburg Forest. Go inside the culture of some of the most famous warriors to explore their weaponry, tactics and, ultimately, their psyche.

The hosts journey to Moscow, Russia, the origin of one of the most versatile and deadly martial arts on the planet, created at the instigation of Lenin during the Bolshevik Revolution to improve the combat skills of the military and the police.

ISIS funded its murderous regime by ripping loot out of the ground and selling it to the highest bidder. But will dealers, auction houses, museums and collectors acknowledge that their cash was directly funding murder and mayhem?

Throughout history the same builders and engineers that paved man's path out of the caves also caused some of mankind's worst disasters. Often a huge calamity is traced back to a tiny cause, insignificant in itself, but triggering a domino effect.

The team investigate eyewitness reports of cattle slaughter allegedly caused by UFOs, and are hot on the trail of a recent mutilation case.

What exactly was this ancient weapon that destroyed enemy heavy infantry, elephants and cavalry? Watch as experts and archaeological digs reveal new evidence into this invention, which will be reconstructed.

Excitement soars when Kevin finally holds gold brought home from the arrest of Jefferson Davis, convincing him that his theory is true.

Worldwide, there have been hundreds of mysterious sightings spanning many centuries. Throughout history, these sightings have spawned countless stories.

The Romans, with the greatest army in the world, are annihilated by Germanic tribes at the Battle of Teutoburg Forest. Go inside the culture of some of the most famous warriors to explore their weaponry, tactics and, ultimately, their psyche.

The hosts journey to Moscow, Russia, the origin of one of the most versatile and deadly martial arts on the planet, created at the instigation of Lenin during the Bolshevik Revolution to improve the combat skills of the military and the police.

ISIS funded its murderous regime by ripping loot out of the ground and selling it to the highest bidder. But will dealers, auction houses, museums and collectors acknowledge that their cash was directly funding murder and mayhem?

Throughout history the same builders and engineers that paved man's path out of the caves also caused some of mankind's worst disasters. Often a huge calamity is traced back to a tiny cause, insignificant in itself, but triggering a domino effect.

Bred in the dark jungles of Southeast Asia, Pradal Serey is a devastating striking art of bone-shattering kicks and punches. Some argue that this ancient fighting art of the mysterious Angkor Empire is the forefather of modern Muay Thai.

Upon learning about a connection between the UFO phenomenon and the Third Reich, the team travel to Germany and Poland to investigate.

Brad and the team examine new evidence that points to a former airline employee named Kenny Christiansen, whose own brother suspects he was actually the skyjacker who called himself D.B. Cooper.

How do Earth's creatures help scientists with their understanding of life in the universe?

In nearly every culture there are stories of opposing forces at work here on Earth - forces of a supernatural or otherworldly nature. Could these forces really exist? And if so, what is the true nature of the dark forces?

Discover what would happen to priceless artefacts such as the Mona Lisa, the Declaration of Independence and the Liberty Bell if humans were no longer around.

Ross tries to find out more about his sea-faring Great Grandfather, Arthur Pop Chalmers. He discovers that Pop served in the Merchant Navy and survived three shipwrecks. Inspired to know more, he links up with maritime archaeologist, Mallory Haas.

In this episode we explore the theory that Stonehenge may be a prehistoric astronomical observatory. Ancient astronomer priests may have divined the complex movements of the Sun and Moon, recognising patterns that would not be discovered elsewhere.

Bred in the dark jungles of Southeast Asia, Pradal Serey is a devastating striking art of bone-shattering kicks and punches. Some argue that this ancient fighting art of the mysterious Angkor Empire is the forefather of modern Muay Thai.

Upon learning about a connection between the UFO phenomenon and the Third Reich, the team travel to Germany and Poland to investigate.

Brad and the team examine new evidence that points to a former airline employee named Kenny Christiansen, whose own brother suspects he was actually the skyjacker who called himself D.B. Cooper.

How do Earth's creatures help scientists with their understanding of life in the universe?

In nearly every culture there are stories of opposing forces at work here on Earth - forces of a supernatural or otherworldly nature. Could these forces really exist? And if so, what is the true nature of the dark forces?

Discover what would happen to priceless artefacts such as the Mona Lisa, the Declaration of Independence and the Liberty Bell if humans were no longer around.

Ross tries to find out more about his sea-faring Great Grandfather, Arthur Pop Chalmers. He discovers that Pop served in the Merchant Navy and survived three shipwrecks. Inspired to know more, he links up with maritime archaeologist, Mallory Haas.

In this episode we explore the theory that Stonehenge may be a prehistoric astronomical observatory. Ancient astronomer priests may have divined the complex movements of the Sun and Moon, recognising patterns that would not be discovered elsewhere.

Bred in the dark jungles of Southeast Asia, Pradal Serey is a devastating striking art of bone-shattering kicks and punches. Some argue that this ancient fighting art of the mysterious Angkor Empire is the forefather of modern Muay Thai.