Discover how the sun has both helpful and harmful effects for life on Earth.

The gods worshipped by the Norse Vikings were fearsome and mysterious. Experts investigate whether these powerful Viking Gods could have been visitors from another planet.

Al-Jazari, an inventor who died in 1206 AD, would provide a wealth of ancient instructions for design. Explore his contribution to Islamic engineering history.

The epic tragedy of Medusa, the most infamous female fiend in Greek mythology whose look turned every living thing to stone. But what is the true story behind the myth? Are there clues in the night sky to the origins of the tale?

Discover the fate of mankind's machinery of war in a world with no people, in which Pearl Harbor comes under renewed attacks, and snow causes urban avalanches.

In less than 200 years, the Aztecs went from a tribe of nomads into the most powerful civilisation the New World had ever known. How did they achieve such greatness?

Cities Of The Underworld

Moscow is a city known for its ruthless leaders and abundant secrets. Below its crowded streets lie the reminders of its war-torn past and Stalin's terrifying legacy.

2000 years ago, when Washington was still a swamp, the Maya were busy transforming some of the most inhospitable jungle imaginable into the New World’s first powerful metropolis.

Discover how the sun has both helpful and harmful effects for life on Earth.

The gods worshipped by the Norse Vikings were fearsome and mysterious. Experts investigate whether these powerful Viking Gods could have been visitors from another planet.

Al-Jazari, an inventor who died in 1206 AD, would provide a wealth of ancient instructions for design. Explore his contribution to Islamic engineering history.

The epic tragedy of Medusa, the most infamous female fiend in Greek mythology whose look turned every living thing to stone. But what is the true story behind the myth? Are there clues in the night sky to the origins of the tale?

Discover the fate of mankind's machinery of war in a world with no people, in which Pearl Harbor comes under renewed attacks, and snow causes urban avalanches.

In less than 200 years, the Aztecs went from a tribe of nomads into the most powerful civilisation the New World had ever known. How did they achieve such greatness?

Cities Of The Underworld

Moscow is a city known for its ruthless leaders and abundant secrets. Below its crowded streets lie the reminders of its war-torn past and Stalin's terrifying legacy.

2000 years ago, when Washington was still a swamp, the Maya were busy transforming some of the most inhospitable jungle imaginable into the New World’s first powerful metropolis.

Discover how the sun has both helpful and harmful effects for life on Earth.

The gods worshipped by the Norse Vikings were fearsome and mysterious. Experts investigate whether these powerful Viking Gods could have been visitors from another planet.

Al-Jazari, an inventor who died in 1206 AD, would provide a wealth of ancient instructions for design. Explore his contribution to Islamic engineering history.

The epic tragedy of Medusa, the most infamous female fiend in Greek mythology whose look turned every living thing to stone. But what is the true story behind the myth? Are there clues in the night sky to the origins of the tale?

Discover the fate of mankind's machinery of war in a world with no people, in which Pearl Harbor comes under renewed attacks, and snow causes urban avalanches.

Engineering an Empire

They ruled over much of Europe and Asia during the Dark Ages, building stadiums, aqueducts and cathedrals. But the Byzantines' success became their downfall.

Cities Of The Underworld

Host Don Wildman has special access to a sacred stone said to keep the world from ultimate chaos, and finds evidence of John the Baptist's apocalyptic sermons. He heads into a vast underground that ignited the violent visions of the end of the world.

Ever since the 1950s, the United States has been building freeways at an unprecedented rate. Host Michael Guillen takes us on a chariot ride through Ancient Rome and discovers that many of the highway amenities date back over 2000 years.

An examination of Erich von Däniken's controversial theories that have captured the attention of the world and ignited a movement known as Ancient Astronaut Theory.

A miraculous meteorite falling from the heavens. A priceless gemstone with a deadly curse. And a chunk of sandstone considered so sacred that wars have been fought to protect it. What is it about stones that inspires some people to worship them?

Engineering an Empire

Innovations in engineering including locomotives, sewer systems and a technologically superior navy aided the spread of the British Empire and shaped the modern world.