Mariners have long told stories of beasts stalking the coasts of Florida, but what if new video could prove that old sailors were seeing real sea monsters? A forked tail, ferocious teeth and a large body were all characteristics of the sea monsters.

Discover how cornered Egyptian soldiers miraculously escaped the Hittites in one of the greatest armed battles of the ancient world.

Mother Nature unleashes a barrage of attacks around the globe. In San Francisco, an earthquake crushes commuters; a rolling avalanche devours climbers in the Himalayas; and in Nebraska, lightning strikes an unlucky storm chaser.

Hindu scripture describes an enormous flying creature called Garuda that shook the ground when it landed on Earth. Is it possible that this monster was actually a misinterpreted alien craft?

World War 3 breaks out and a nuclear nightmare becomes reality as thousands of hydrogen bombs destroy the world's greatest cities. In the ensuing nuclear winter, crops fail worldwide and mass starvation drives humanity to the brink of extinction.

We explore ancient texts to uncover amazing Roman technologies including a horse-drawn arrow shooter--possibly the world's first tank?

Host Bobby Bognar explores America's buffets, starting in Las Vegas. He learns shrimp-catching secrets in Florida, horseradish spice in Wisconsin, honey-making in California and sugar cane processing in Hawaii.

From Roman baths, secret crypts, lost rivers and even Winston Churchill's hidden war rooms, London's underground world has a plethora of stories to tell.

Mariners have long told stories of beasts stalking the coasts of Florida, but what if new video could prove that old sailors were seeing real sea monsters? A forked tail, ferocious teeth and a large body were all characteristics of the sea monsters.

Discover how cornered Egyptian soldiers miraculously escaped the Hittites in one of the greatest armed battles of the ancient world.

Mother Nature unleashes a barrage of attacks around the globe. In San Francisco, an earthquake crushes commuters; a rolling avalanche devours climbers in the Himalayas; and in Nebraska, lightning strikes an unlucky storm chaser.

Hindu scripture describes an enormous flying creature called Garuda that shook the ground when it landed on Earth. Is it possible that this monster was actually a misinterpreted alien craft?

World War 3 breaks out and a nuclear nightmare becomes reality as thousands of hydrogen bombs destroy the world's greatest cities. In the ensuing nuclear winter, crops fail worldwide and mass starvation drives humanity to the brink of extinction.

We explore ancient texts to uncover amazing Roman technologies including a horse-drawn arrow shooter--possibly the world's first tank?

Host Bobby Bognar explores America's buffets, starting in Las Vegas. He learns shrimp-catching secrets in Florida, horseradish spice in Wisconsin, honey-making in California and sugar cane processing in Hawaii.

What's at the heart of the Big Apple? Explore a tangle of engineering, history and secrets that make up a dark urban underworld labyrinth. It's the city that never sleeps!

In the Pacific Northwest, a small island may hold the clue to unravelling the mystery of the legendary Sasquatch. Natives told tales to their children of an ape-like beast to be feared that would steal them should they venture into the forest.

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

In Southern California, raging wildfires set the stage for a massive mudslide killing 14 people at a campsite. A tornado targets an Oklahoma truck driver. Plus, an Indonesian volcano errupts, smothering nearby citizens with a blanket of ash.

Are sacred places the product of man's reverence for gods - or the result of contact with ancient space travellers? Did man encounter divine beings at these holy places, or might they have met ancient extraterrestrials?

Dublin is much more than a city full of pubs and pints. Pagan burial tombs, subterranean defense tunnels, and mysterious burial crypts line the underground below the rolling hills.

After discovering a bomb marker, the team brings in an explosives expert to search a cave that may have been a headquarters of General Yamashita during the war. Inside, they uncover a potential booby trap, along with their first hint of treasure.

Discover the cataclysmic events that forged our planet. Experts reveal the remarkable story of how the Great Lakes were formed.

What's at the heart of the Big Apple? Explore a tangle of engineering, history and secrets that make up a dark urban underworld labyrinth. It's the city that never sleeps!

In the Pacific Northwest, a small island may hold the clue to unravelling the mystery of the legendary Sasquatch. Natives told tales to their children of an ape-like beast to be feared that would steal them should they venture into the forest.

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

In Southern California, raging wildfires set the stage for a massive mudslide killing 14 people at a campsite. A tornado targets an Oklahoma truck driver. Plus, an Indonesian volcano errupts, smothering nearby citizens with a blanket of ash.

Are sacred places the product of man's reverence for gods - or the result of contact with ancient space travellers? Did man encounter divine beings at these holy places, or might they have met ancient extraterrestrials?

Dublin is much more than a city full of pubs and pints. Pagan burial tombs, subterranean defense tunnels, and mysterious burial crypts line the underground below the rolling hills.

After discovering a bomb marker, the team brings in an explosives expert to search a cave that may have been a headquarters of General Yamashita during the war. Inside, they uncover a potential booby trap, along with their first hint of treasure.

Discover the cataclysmic events that forged our planet. Experts reveal the remarkable story of how the Great Lakes were formed.

What's at the heart of the Big Apple? Explore a tangle of engineering, history and secrets that make up a dark urban underworld labyrinth. It's the city that never sleeps!