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.

An expedition investigates controversial evidence that could confirm a history of sea monster sightings off the coast of Florida.

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

A closer look at the earthquake that struck San Francisco, as well as a storm chaser hit by lightning and a deadly avalanche in the Himalayas.

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.

Roman Empire. The documentary series explores modern-day technologies which were actually developed centuries ago.

Food Tech hosted by Bobby Bognar makes a preparation of a well-known American meal and tracks the ingredients from the field or factory to your plate.

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.

An expedition investigates controversial evidence that could confirm a history of sea monster sightings off the coast of Florida.

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

A closer look at the earthquake that struck San Francisco, as well as a storm chaser hit by lightning and a deadly avalanche in the Himalayas.

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.

Roman Empire. The documentary series explores modern-day technologies which were actually developed centuries ago.

Food Tech hosted by Bobby Bognar makes a preparation of a well-known American meal and tracks the ingredients from the field or factory to your plate.

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.

An expedition investigates controversial evidence that could confirm a history of sea monster sightings off the coast of Florida.

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

A closer look at the earthquake that struck San Francisco, as well as a storm chaser hit by lightning and a deadly avalanche in the Himalayas.

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.

Food Tech hosted by Bobby Bognar makes a preparation of a well-known American meal and tracks the ingredients from the field or factory to your plate.

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, an investigative team searches for evidence of an ape-like beast that is rumoured to steal children.

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

A look at how wildfires in California sparked a mudslide that killed 14 people. Plus, explore the devastation caused by a volcano eruption in Indonesia. (8 of 10)

Aliens And Sacred Places: Experts explore evidence suggesting Mecca's Grand Mosque and Jerusalem's Temple Mount were the ancient meeting places of man and 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.

The unearthing of a bomb maker leads the team to some intriguing discoveries - and the first hint of treasure - as they draft in an explosives expert to help.

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!