The myth of ancient Greece's most feared god, and the mortals who tried to cross his path. A chilling collection of tales about Hades and the underworld bearing his name, with eerie links to real world curses, ghosts and secret cults.

Worldwide, there have been hundreds of mysterious sightings spanning many centuries. Throughout history, these sightings have spawned countless stories.

An abandoned Nazi station. A military base in the US Desert. A lost Arctic facility that goes deep. A huge desolate industrial area. Who built them? And why were they abandoned?

How can ancient tombs across the world have so many remarkable similarities? Ancient Astronaut theorists believe that some of these tombs were designed with the help of extraterrestrials.

July 1943. For six months, the German advance has stalled, but Hitler is convinced that his new generation of Nazi tanks will help put the Reich back on the path to European domination. His target: the Soviet town of Kursk.

A look at how certain weapons invented by the ancient Chinese have contributed to nearly every military weapon in use today.

Across the world, engineers are going to extreme lengths to keep the lights on: harnessing the power of the longest river on Earth, tapping into the raging heat of a live volcano, and building one of the largest offshore wind facilities in the world.

The Heinkel He 111 is one of the most recognised German aircraft of WW2.  The broad winged design was a guinea pig for future bombers, with more variants than any other military aircraft of the time.

The myth of ancient Greece's most feared god, and the mortals who tried to cross his path. A chilling collection of tales about Hades and the underworld bearing his name, with eerie links to real world curses, ghosts and secret cults.

Worldwide, there have been hundreds of mysterious sightings spanning many centuries. Throughout history, these sightings have spawned countless stories.

An abandoned Nazi station. A military base in the US Desert. A lost Arctic facility that goes deep. A huge desolate industrial area. Who built them? And why were they abandoned?

How can ancient tombs across the world have so many remarkable similarities? Ancient Astronaut theorists believe that some of these tombs were designed with the help of extraterrestrials.

July 1943. For six months, the German advance has stalled, but Hitler is convinced that his new generation of Nazi tanks will help put the Reich back on the path to European domination. His target: the Soviet town of Kursk.

A look at how certain weapons invented by the ancient Chinese have contributed to nearly every military weapon in use today.

Across the world, engineers are going to extreme lengths to keep the lights on: harnessing the power of the longest river on Earth, tapping into the raging heat of a live volcano, and building one of the largest offshore wind facilities in the world.

We trace the astonishing story of designers turning away from metal and back to wood to create a twin-engine bomber that could outrun almost any aircraft in the sky, yet deliver a bomb load greater than an Avro Lancaster.

It's the ultimate Clash of the Gods as the Olympians challenge the Titans in mythology's greatest showdown. This is a pivotal battle that experts believe may have been ancient code for a real world event.

Worldwide, there have been hundreds of mysterious sightings spanning many centuries. Throughout history, these sightings have spawned countless stories.

A vital lost military facility. A facility in a sprawling desert. Towers in an industrial wasteland. An extraordinary sight high on a mountain. Who built them? And why were they abandoned?

For thousands of years, human civilisation has been guided by the words and deeds of ancient prophets, but who were these prophets communicating with?

A single train crossing was the site of not one, but two disastrous auto collisions in a single year. How could this happen?

In 1970, British Petroleum struck oil beneath the North Sea. On the back of industrial unrest, the promise of lucrative work was too good to be true, but by 1988, with poor management within the company, a gas leak saw the untimely death of 167 men.

For centuries, this mysterious civilisation ruled a huge territory across South and Central America. But by 900 AD, it dramatically fell apart.

We trace the astonishing story of designers turning away from metal and back to wood to create a twin-engine bomber that could outrun almost any aircraft in the sky, yet deliver a bomb load greater than an Avro Lancaster.

It's the ultimate Clash of the Gods as the Olympians challenge the Titans in mythology's greatest showdown. This is a pivotal battle that experts believe may have been ancient code for a real world event.

Worldwide, there have been hundreds of mysterious sightings spanning many centuries. Throughout history, these sightings have spawned countless stories.

A vital lost military facility. A facility in a sprawling desert. Towers in an industrial wasteland. An extraordinary sight high on a mountain. Who built them? And why were they abandoned?

For thousands of years, human civilisation has been guided by the words and deeds of ancient prophets, but who were these prophets communicating with?

A single train crossing was the site of not one, but two disastrous auto collisions in a single year. How could this happen?

In 1970, British Petroleum struck oil beneath the North Sea. On the back of industrial unrest, the promise of lucrative work was too good to be true, but by 1988, with poor management within the company, a gas leak saw the untimely death of 167 men.

For centuries, this mysterious civilisation ruled a huge territory across South and Central America. But by 900 AD, it dramatically fell apart.

We trace the astonishing story of designers turning away from metal and back to wood to create a twin-engine bomber that could outrun almost any aircraft in the sky, yet deliver a bomb load greater than an Avro Lancaster.