A Zimbabwean writer and activist investigates the war against Mozambique and the assassinations of opponents of South African apartheid.

On the murders of Chaney, Goodman, and Schwerner on June 21 1964, also known as the 'Mississippi Burning murders'

A documentary made on the alleged crash of an alien spacecraft in Roswell, New Mexico in 1947, after the now infamous footage of an autopsy of an alien was published.

Nearly a century after Howard Carter's discovery of Tutankhamun, Egyptologist Dr. Chris Naunton returns to Carter's vast excavation files; the notes suggest that the Boy King's mummy was burned.

Documentary revealing the secret childhood of Queen Victoria's eldest grandson, the future Kaiser Wilhelm II, through a long-hidden cache of intimate family letters. Wilhelm was born with a permanently paralyzed arm - a disability considered shameful at the time - and was subjected to a series of bizarre and often cruel attempts to cure the condition. These childhood experiences are believed to have helped create a highly dysfunctional connection between the boy and his mother, Victoria, Princess Royal, and to have shaped his love-hate relationship with her country.

The Hanging Garden of Babylon is the only one of the seven wonders of the ancient world for which no archaeological evidence has ever been found. Centuries of digging have turned up nothing, and many people assume it never existed. But has everyone simply been looking in the wrong place?

The discovery of China's Terracotta Army in 1974 revealed just a fraction of this extraordinary treasure. This documentary has exclusive access to the latest discoveries.

Absolutely gripping story of the Lancaster pilots who launched an attack on the Tirpitz. These men on both sides are so heroic and dignified . We are so privileged to hear the story first hand from these men. Very moving .

Bubonic plague is still around today, but kills in small numbers. Why did it kill so many people in 1348? The discovery of 25 medieval skeletons in London provides new answers.

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Hitler's Hidden Drug Habit Documentary discussing Hitler's fraudulent physician, his poor health and possible drug dependency.

Former Royal Marines commando Arthur Williams embarks on a journey to explore the experiences of nearly two million British soldiers who suffered life-changing injuries and disabilities during the First World War.

With access to the first nationwide survey and state-of-the-art drones mapping the Great Wall of China, this documentary offers new evidence that reveals its extraordinary magnitude, rewrites its millennia-long history and decodes its complex signals system. Using cutting-edge chemistry, the programme also finds out what has kept the wall standing for so long - a simple cooking ingredient found in kitchens across the world.

Engineers from the Crossrail construction project have uncovered a 300-year-old graveyard that reveals intriguing new information about the people who built London.

Documentary telling the inside story of the plans by Louis Mountbatten to manoeuvre his nephew and heir to the Greek throne, Philip, into marrying the future queen Princess Elizabeth and the tensions that that unleashed.

Secret History has exclusive access behind the scenes of the momentous expedition that found HMS Erebus: the Royal Navy ship that disappeared in 1845 while searching for the Northwest Passage

Documentary following the discovery of fossilised remains in a deep and nearly inaccessible cave in South Africa. The bone fragments recovered were found to have come from a previously unknown species of human ancestor.

An insight into the pioneering work of criminal lawyer-turned-archaeologist Dr Kathleen Martinez, who has made it her life's mission to locate the final resting place of Cleopatra, Egypt's last queen.

A look at the relics found in the tombs of China's Han Dynasty - an era that is generally considered the golden age of ancient China. It's up there with the Roman Empire in terms of international power at the time and has been a defining influence on the country's cultural identity ever since, with China's majority ethnic group referring to itself as the "Han people" and the Chinese scripts referred to as "Han characters". This programme examines how the emperors arranged to have their dead bodies mummified in the search for immortality and looks at a newly discovered version of the famous terracotta army - sculptures depicting the armies of Qin Shi Huang, the first Emperor of China.

Documentary focuses on investigating mysteries of burial grounds of William Shakespeare led by noted historian Dr. Helen Castor.

Engineers digging for Crossrail have made a chilling discovery: dozens of skulls under London's Liverpool Street station. It's clear the skulls are from Roman London, but nothing like this has been found before. This documentary unravels the mystery, using ground-breaking archaeological investigation. Who are these people and how did their skulls get there? There are many theories: they could be victims of a massacre, or gladiators; they could have naturally washed out of cemeteries in times of peace or be executed rebels; they could even be the victims of some grisly, long-lost ritual. Now the tools are available to solve the mystery. The investigation covers Boudicca's rebellion, the bloody gladiatorial arena, and head-hunting sites in France. Does the investigation answer the mystery of the Crossrail skulls?

Thousands of British sailors died in the Battle of Jutland. It has been plagued by controversy ever since. This Secret History film joins a landmark expedition to uncover the truth about the battle.

For 1300 years, Wu Zetian - China's only female Emperor - has been remembered as a callous tyrant who brought calamity to China. But new discoveries paint a very different picture of her reign.

Why, when the Titanic received several warnings of icebergs ahead, did the captain steam full speed towards them without changing course? Two hours after the collision, the Titanic was safely afloat before she inexplicably gave way and took hundreds of passengers to their deaths. What happened to make her sink so rapidly? For the first time, investigative journalist and Titanic expert Senan Molony can reveal the real story. In a television exclusive, Titanic: The New Evidence draws on new evidence to reveal that a fire was raging in Titanic's boiler rooms before she left port, that it was kept secret and, it's now believed it led to the tragedy.

The soldiers were rescued from the beaches and taken safely back to Britain. But behind the Miracle of Dunkirk there's another, hidden story. Soldiers and mariners, angry that they'd apparently been left undefended against the Luftwaffe, blamed the RAF. Historians have long viewed Dunkirk as the RAF's poorest hour. But now, recently released MoD files reveal that, far from being absent, the RAF were suffering massive losses supporting the evacuation.

The world's largest palace, the Forbidden City, stands at the heart of Chinese history, as the home to the emperors for 600 years. And it's full of secrets. This documentary goes behind closed doors to explore this extraordinary palace-city and to discover the clues to its creation. Unique access to the latest conservation works uncovers evidence hidden in locked halls and high in the mighty roofs, revealing a ruler who governed by fear but also created an exquisite and enormous work of art and technology.