Many believe it to be the Word of God, while others claim it contains inconsistencies that could only be manmade. But whether actually divine, or merely divinely inspired, the Bible is inarguably the most important historical text ever written.

The Maya created the most sophisticated calendar systems in the ancient world, and according to many scholars their Long Count calendar will come to an end on December 21, 2012. What significance does this hold?

From greed and gore to Grand Masters, we recreate this covert world of secrets and power.

The ancient Greeks laid a foundation that supported nearly 3,000 years of European history. How did they build structures including Agamemnon's Tomb and the Parthenon?

In Mexico explorers use an ancient Mayan temple code to search for an occult underworld. In Britain investigators uncover the secret technologies behind a life size statue of Jesus Christ.

Discover how, after years of rivalry, a small Greek army defeated the Persians through sheer mettle and a brilliant defensive strategy.

Ross first takes on the largest wrecks in Scapa Flow: Germany’s sunken WWI fleet. Ross tries to understand why the proud German fleet ended up at the bottom. The trail leads to an experimental British aircraft carrier submarine.

Hunting for the Lost Dutchman is usually a one-man journey, but Wayne Tuttle is partnering with a team of experts to follow a newly-revealed clue that could finally solve the 500-year-old mystery of America's most famous buried treasure.

Many believe it to be the Word of God, while others claim it contains inconsistencies that could only be manmade. But whether actually divine, or merely divinely inspired, the Bible is inarguably the most important historical text ever written.

The Maya created the most sophisticated calendar systems in the ancient world, and according to many scholars their Long Count calendar will come to an end on December 21, 2012. What significance does this hold?

From greed and gore to Grand Masters, we recreate this covert world of secrets and power.

The ancient Greeks laid a foundation that supported nearly 3,000 years of European history. How did they build structures including Agamemnon's Tomb and the Parthenon?

In Mexico explorers use an ancient Mayan temple code to search for an occult underworld. In Britain investigators uncover the secret technologies behind a life size statue of Jesus Christ.

Discover how, after years of rivalry, a small Greek army defeated the Persians through sheer mettle and a brilliant defensive strategy.

Ross first takes on the largest wrecks in Scapa Flow: Germany’s sunken WWI fleet. Ross tries to understand why the proud German fleet ended up at the bottom. The trail leads to an experimental British aircraft carrier submarine.

Hunting for the Lost Dutchman is usually a one-man journey, but Wayne Tuttle is partnering with a team of experts to follow a newly-revealed clue that could finally solve the 500-year-old mystery of America's most famous buried treasure.

Many believe it to be the Word of God, while others claim it contains inconsistencies that could only be manmade. But whether actually divine, or merely divinely inspired, the Bible is inarguably the most important historical text ever written.

The Maya created the most sophisticated calendar systems in the ancient world, and according to many scholars their Long Count calendar will come to an end on December 21, 2012. What significance does this hold?

From greed and gore to Grand Masters, we recreate this covert world of secrets and power.

The ancient Greeks laid a foundation that supported nearly 3,000 years of European history. How did they build structures including Agamemnon's Tomb and the Parthenon?

In Mexico explorers use an ancient Mayan temple code to search for an occult underworld. In Britain investigators uncover the secret technologies behind a life size statue of Jesus Christ.

The Bible is one of the most influential books ever written. But through translations and censorship, has its truth been compromised?

Witnesses describe a series of events surrounding the now legendary crash, while an incredible new technology attempts to read words on a 70 year old photograph that may hold clues to the mystery: Did an extraterrestrial spaceship crash at Roswell?

A map of the dead reveals the team's next clue, but it's in the most dangerous stretch of the Superstitions. Eric makes a discovery that spins the investigation in an entirely new direction.

Many see them as massive testaments to America's progress. But no matter what they represent - America's monuments are inarguably impressive due to their colossal size and scope, their groundbreaking feats of engineering, and their storied histories.

Known by researchers as the 'greys', beings with big heads and giant eyes have been depicted in rock-art and carved stone figures throughout the ages and all over the world. Who are they and what do they want?

It's been believed that Sheriff Pat Garrett shot the Kid dead in 1881, but Billy in fact survived and went on to live a long life. Investigating the adventures of the legendary outlaw may prove that the history of the America needs to be rewritten.

Join host Don Wildman as he reveals the technological marvels that allowed the construction of Prague, a city cloaked in mystery, with an underground to match.

The Spear of Destiny passed through the hands of leaders like Napoleon and Adolf Hitler, and there are a number of shadowy institutions around the world that are still chasing the Spear. Decoded tries to solve this centuries-old mystery.

The Bible is one of the most influential books ever written. But through translations and censorship, has its truth been compromised?

Witnesses describe a series of events surrounding the now legendary crash, while an incredible new technology attempts to read words on a 70 year old photograph that may hold clues to the mystery: Did an extraterrestrial spaceship crash at Roswell?

A map of the dead reveals the team's next clue, but it's in the most dangerous stretch of the Superstitions. Eric makes a discovery that spins the investigation in an entirely new direction.