Investigators try to compile evidence to prove that the elusive monster known as 'sasquatch' exists, including videos, tracks, prints and maps of sightings.

Explore ancient myths, from the legendary people who inspired them to their real-life relevance today. Featured myths and the people behind them include: The Labyrinth of the Minotaur, Thor: God of Thunder; Beowulf; and Medusa.

James Nesbitt explores the human cost of six disasters that struck Britain in the past 60 years while examining the contexts of these tragedies and what changes followed in their wake.

Ancient Aliens examines 75 million years of the most credible alien evidence here on Earth, from the age of the dinosaurs, to ancient Egypt, to the skies over the western desert in the present day US.

Series focusing on the architectural triumphs of great civilisations such as the Mayans, Chinese, Russians, Persians, and Byzantines. The programme will use each society's accomplishments as a prism through which to view its history and culture.

What would happen if every human being on earth disappeared? This isn't the story of how we might vanish? It is the story of what happens to the world we leave behind. This series explores a world wiped clean of humanity, in even more vivid detail. Just like the special, each episode will use cinematic CGI to reveal - in scientific detail - the fate of every aspect of the man-made world. What happens to the millions of animals that supply our food? The chemicals stored in industrial complexes? Which animals take over subways? Do satellites fall to earth? When does Mt. Rushmore whither away? Every episode will unfold in the hours, days, months and years after people disappear and will combine three to four different kinds of stories, from animal outbreaks to structural collapses, building to a unique visual finale. Life After People, The Series. Welcome to earth, population zero.

A modern jetliner crashes with 228 people on board. An oil refinery erupts in Utah, sending shockwaves through town and damaging over 100 homes. Manhole covers explode around the country, killing people and destroying property.

Treasure hunters Hamilton White and Carl Cookson have discovered their rarest treasure yet – a hoard of Knights Templar treasure. This could rewrite the history of the Order of the Knights Templar.

Dogs are known as man's best friend, but now canines are striking fear into many who report attacks by predatory packs. Descended from wolves, domesticated dogs were used as protectors. Today, more and more dogs are returning to their wild roots.

Explore ancient myths, from the legendary people who inspired them to their real-life relevance today. Featured myths and the people behind them include: The Labyrinth of the Minotaur, Thor: God of Thunder; Beowulf; and Medusa.

A modern jetliner crashes with 228 people on board. An oil refinery erupts in Utah, sending shockwaves through town and damaging over 100 homes. Manhole covers explode around the country, killing people and destroying property.

Ancient Aliens examines 75 million years of the most credible alien evidence here on Earth, from the age of the dinosaurs, to ancient Egypt, to the skies over the western desert in the present day US.

A look ahead at the cataclysmic events that could extinguish the human race.

The series reveals how many of today's technological achievements were actually developed centuries ago. New science uncovers a lost world more like our own than suspected, and reveals how modern technology has its blueprint in the ancient world.

Ballpark snacks have evolved, but hot dogs still rule. Learn what's in them and the secrets behind other stadium favorites. Join Bobby Bognar on a journey from hot dog shapes to beer spices and more!

Treasure hunters Hamilton White and Carl Cookson have discovered their rarest treasure yet – a hoard of Knights Templar treasure. This could rewrite the history of the Order of the Knights Templar.