The Mystery of Bay Bulls

Thousands of terracotta warriors guarded the first Chinese emperor's tomb. This is their story, told through archeological evidence and reenactments.

A horrific triple child murder leads to an indictment and trial of three nonconformist boys based on questionable evidence.

On December 4, 1872, the unmanned Mary Celeste was found adrift in the Atlantic with its cargo fully intact. The mystery of this "ghost ship" remained unanswered for over 135 years. What happened to the Mary Celeste is widely regarded as the most famous mystery of the sea. Watch it unfold to its stunning conclusion, at last.

On July 1st, 1916, the Newfoundland Regiment took part in a massive First World War offensive on the Somme, led by the British. At Beaumont Hamel the regiment was nearly wiped out, as only 110 of 780 soldiers survived the day. To commemorate its 100th anniversary, Brian McKenna’s documentary film tells the story of this epic tragedy. Using a technique that brings new meaning to reenactment, McKenna recruits descendants of soldiers who fought this battle, offering them a unique opportunity to relive the experience of their ancestors in trenches built specifically for the film.

Up to one million gladiators are thought to have died in arenas across the Roman Empire. And, although fascination with gladiators has been high, the details of their lives and deaths remain fragmentary. Now, with the discovery of an ancient Roman burial site containing 80 skeletons thought to be gladiator warriors, National Geographic recreates the world of the Roman arena and how six gladiators lived, fought and died.

A close-up of a snow-bound city, and the men, money and machinery it takes to dig it out.

One man's hat is another man's treasure when it comes to the importance and significance of saving items of historic value.

They're always watching you. Humanity has only resided on Earth for a fraction of the planet's incredibly long history, and many believe that a species known as the Krepid vastly predate humankind - and are still with us today. The Krepid need to consume us to survive, but most believe they also enjoy the hunt. Join us as we explore the terrifying, secret world of the Krepid.

Explore the mysterious giant rings of the Mediterranean, buried at a depth of 120m, with the world-famous Laurent Ballesta, world-renowned diver and his team, to understand the origin of these unique and unknown formations.

For almost a century and a half, Her Majesty's Ship Breadalbane lay wrecked and forgotten under the Arctic ice. In the spring of 1983, noted undersea explorer Dr. Joseph MacInnis led a team of twenty men on one of the most difficult, dangerous and unforgettable undersea adventures of the century-to put a diver on board the sunken vessel and recover some artifacts. This film, introduced by H.R.H. Prince Charles, provides a stunning visual account of this historic expedition.