Former U.S. government insiders brought together by rock star Tom DeLonge team up to reveal what the government knows about UFOs.

Strange carvings suggest the Mayan city of Copan was ruled by the descendants of otherworldly beings. Are the astounding accomplishments of lost civilizations the products of ancient folklore or are they out of this world?

UFO Files

Delve into the aftermath and repercussions of the 1947 Roswell incident, when many believe an alien spacecraft crashed in New Mexico.

The team heads to Colorado Springs to search for the remains of Nikola Tesla's mysterious laboratory and attempt to prove that Tesla's design for generating wireless electricity actually works.

A swamp beast immortalised in the film "The Legend of Boggy Creek" is said to stalk the residents of a small town in Arkansas.

For Kevin Dykstra and his team, an 8-year quest to find a legendary boxcar at the bottom of Lake Michigan has now become a battle against nature itself.

From secret prisons to escape tunnels, ancient caves to mines, Bucharest in Romania is ripe with folklore. Discover the history of its secret underworld.

Former U.S. government insiders brought together by rock star Tom DeLonge team up to reveal what the government knows about UFOs.

Strange carvings suggest the Mayan city of Copan was ruled by the descendants of otherworldly beings. Are the astounding accomplishments of lost civilizations the products of ancient folklore or are they out of this world?

UFO Files

Delve into the aftermath and repercussions of the 1947 Roswell incident, when many believe an alien spacecraft crashed in New Mexico.

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 team heads to Colorado Springs to search for the remains of Nikola Tesla's mysterious laboratory and attempt to prove that Tesla's design for generating wireless electricity actually works.

A swamp beast immortalised in the film "The Legend of Boggy Creek" is said to stalk the residents of a small town in Arkansas.

For Kevin Dykstra and his team, an 8-year quest to find a legendary boxcar at the bottom of Lake Michigan has now become a battle against nature itself.

From secret prisons to escape tunnels, ancient caves to mines, Bucharest in Romania is ripe with folklore. Discover the history of its secret underworld.

Former U.S. government insiders brought together by rock star Tom DeLonge team up to reveal what the government knows about UFOs.

Strange carvings suggest the Mayan city of Copan was ruled by the descendants of otherworldly beings. Are the astounding accomplishments of lost civilizations the products of ancient folklore or are they out of this world?

UFO Files

Delve into the aftermath and repercussions of the 1947 Roswell incident, when many believe an alien spacecraft crashed in New Mexico.

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 team heads to Colorado Springs to search for the remains of Nikola Tesla's mysterious laboratory and attempt to prove that Tesla's design for generating wireless electricity actually works.

What is the truth about the Jersey Devil, which has been described as a winged half-bird, half-horse creature with hooves, a reptilian tail and a scream that echoes through New Jersey's Pine Barrens?

Marty Lagina joins Kevin and his team as they battle the elements and take one final shot at finding 140 million dollars of Confederate gold at the bottom of Lake Michigan.

Cities of the Underworld

and Philadelphia: From hidden tunnels beneath Boston to the incredible waterworld under Philadelphia, the Freemasons left behind the blueprints to America's rise.

A former U.S. Navy radar operator emerges from the shadows to reveal the terrifying day it rained UFOs. U.S. Navy personnel unveil new details including an explanation of why UFOs are sighted over oceans

Gunpowder tearing apart human flesh and rockets destroying entire cities. Advances in technology have led to powerful weapons but were these the product of human innovation or created with help from another otherworldly source?

A former U.S. Navy radar operator emerges from the shadows to reveal the terrifying day it rained UFOs. U.S. Navy personnel unveil new details including an explanation of why UFOs are sighted over oceans

Ever since Plato first wrote about the mysterious island of Atlantis, it has captured the imagination of adventurers and academics alike. Was Atlantis merely a myth, or could it have actually existed in the remote past?

Life After People

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.

What is the truth about the Jersey Devil, which has been described as a winged half-bird, half-horse creature with hooves, a reptilian tail and a scream that echoes through New Jersey's Pine Barrens?