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.

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.

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.

Considered the most sacred place on Earth and fought over for thousands of years, was the area known as 'The Promised Land' really given by God to a 'chosen people?'

Featuring first-person accounts by military eyewitnesses, government insiders and UFO experts, this special traces what a government investigation into 144 recent sightings can tell us about what these mysterious objects are and where they come from.

Throughout all of recorded history, gold was used in everything from ornamentation to the creation of sacred objects. Is it possible that objects made of gold actually have some sort of power over us -- perhaps one that we don’t fully understand?

There are numerous accounts of ancient civilisations being wiped out by volcanoes, earthquakes, floods and meteors. Is it possible that celestial beings had a hand in the ancient world's catastrophic disasters?

Things get sticky when Josh and Old Smokey put a classic Korean War era chocolate taffy legend to the test. Then the guys taste what dinner was like on the northern frontier with a moose-sized portion of nose jelly.

The boys crack open a 40-year-old can of iconic "chips". Then, they head to Michigan to meet a couple with a huge collection of memorabilia from one of America's biggest and most nostalgic brands.

From Fortune Cookies to your favourite childhood treats, Adam Richman becomes a cookie connoisseur in this episode for all things cookies.

A cheeseburger and a side of fries. Last year, Americans ate over 7 billion of them. And there's an amazing story behind every one. Any idea how they get the sesame seeds to stick to the bun? How do you stuff 20 tomatoes in a ketchup bottle?

Considered the most sacred place on Earth and fought over for thousands of years, was the area known as 'The Promised Land' really given by God to a 'chosen people?'

Featuring first-person accounts by military eyewitnesses, government insiders and UFO experts, this special traces what a government investigation into 144 recent sightings can tell us about what these mysterious objects are and where they come from.