This World has gained rare access to Nelson Mandela, after years of retirement from public life.

Joe Frazier takes British filmmaker John Dower back to 1975 and the most hyped boxing match in history - his epic third and final battle with sporting legend Muhammad Ali.

Timeshift lifts the veil on the taboo that is corporal punishment. What it reveals is a fascinating history spanning religion, the justice system, sex and education.

Timeshift digs into the archive to trace the extraordinary story of the ultimate sanction. At the beginning of the 19th century you could still be hanged in Britain for offences such as stealing a sheep or shooting a rabbit. Even children as young as seven were sent to the gallows. The last hanging in this country took place as recently as 1964.

The surprising story of the hidden powerhouse behind the globalised world - the diesel engine, a 19th-century invention that has become indispensable to the 21st century.

It is unique in the Roman World. A spectacular and complex stone barrier measuring 74 miles long, and up to 15 feet high and 10 feet thick. For 300 years Hadrian's Wall stood as the Roman Empire's most imposing frontier and one of the unsung wonders of the ancient world.

Documentary that looks back to the furore caused by Princess Margaret's affair with Peter Townsend, a divorced commoner. Billed as a constitutional crisis, Margaret's dilemma was the first modern royal scandal which would shape the future of royal relations with the media. In 1955 she chose to sacrifice love for duty by ending the affair, but new evidence presented here suggests that hers was a needless sacrifice.

In the 1950s and '60s, one million Britons voluntarily migrated to what had been a former penal colony only a hundred years earlier. The Ten Pound Pom scheme to Australia was one of the largest planned migrations of the 20th Century.

Documentary looking at the Secret History of the Mongols, said to have been written by Genghis Khan's adopted son, which reveals a very different man to the brutal butcher of Western legend.

New archaeological research has given fresh insight into what happened in the Roman amphitheatre.

In this Timewatch special, historian Bettany Hughes unravels one of the most intriguing mysteries of all time. She presents a series of geological, archaeological and historical clues to show that the legend of Atlantis was inspired by a real historical event, the greatest natural disaster of the ancient world.

Marking the 50th anniversary of the influential novel To Kill a Mockingbird, writer Andrew Smith visits Monroeville in Alabama, the setting of the book, to see how life there has changed in half a century.

Alastair Sooke takes an in-depth look at the art of the Roman Empire.

Alastair Sooke traces how the Romans during the Republic went from being art thieves and copycats to pioneering a new artistic style of warts 'n' all realism.

A look at the artistic legacy of Rome's mad, bad and dangerous emperors, including Claudius's pleasure palace and the cave where Tiberius held wild parties.

Alastair Sooke charts the fall of the Roman Empire through some of its artistic treasures, including one of the best preserved Roman cities in Libya.

Andrew Graham-Dixon explores the ancient Christian practice of preserving holy relics and the largely forgotten art form that went with it, the reliquary.

Portrait of a key architect of the Russian Revolution, Lev Bronstein, alias Trotsky, strategist days in October 1917, assassinated in Mexico in 1940 on Stalin's orders.

On December 17th 2003, a 25-year-old woman called Malalai Joya stood up during the Afghan Grand Assembly and declared that many of those present were 'felons' and 'criminals' who had turned the country 'into the nucleus of national and international wars'.

Laura Poitras' film tells how two men whose lives were caught up with Al Qaeda leader Osama bin Laden ended up taking very different paths after the invasion of Iraq.

Henry Kissinger has done more than any other individual to shape the foreign policy of the United States, both during his time as Secretary of State, and afterwards, as he continued to advise successive presidents and governments around the world.Over a p

Simeon II was declared Tsar of Bulgaria at the age of six, but ousted and banished aged nine by the Communist dictatorship, only to return triumphantly 55 years later in 2001 as Prime Minister, in an unprecedented journey from boy king to democratic leader.

The story of General Butt Naked, the despised Liberian warlord responsible for the death of 20,000 people, who reinvented himself as an evangelical preacher

Kimberly Rivers Roberts' chilling, Oscar-nominated home video captures the ferocious force of Hurricane Katrina as it lays waste to the city of New Orleans.

It ran on electricity, produced no emissions and catapulted American technology to the forefront of the automotive industry. The lucky few who drove it never wanted to give it up. So why did General Motors crush its fleet of EV1 electric vehicles into landfill sites in the obscurity of the Arizona desert?

The Khmer Rouge slaughtered nearly two million people in the late 1970s. Yet the Killing Fields of Cambodia remain unexplained. Investigative journalist Thet Sambath records shocking testimonies, from the foot soldiers to Pol Pot's right-hand man.

Following 100 turbulent days of Trump’s second term - full of unprecedented political and economic decisions - commentators and insiders ask: is unpredictability and chaos part of the master plan?

After one of the most shocking presidencies in history, Donald Trump’s top advisers and the leaders who clashed with him lift the lid on the critical moments of his foreign policy.

How the biggest international forensic operation in history identified the victims of the most devastating natural disaster of recent times.

In this documentary, the presenter and art critic Matthew Collings explores how Turner, the artist of light, makes light the vehicle of feeling in his work, and how he found inspiration for that feeling in the waters of the River Thames.