Uncover some of the oldest riddles of the ancient world. China is a land filled with mystical legends, stunning treasures and ancient history. To gain an insight into this intriguing culture we explore two of China s most famous ancient wonders the Great Wall of China and the Forbidden Palace.

Caroline Sturdy Colls, a world leader in the forensic investigation of Nazi crime scenes, is chasing clues to an unsolved case: a concentration camp that existed on the British island of Alderney. Witnesses and survivors claimed that thousands died there, but only 389 bodies have ever been found. Under heavy restrictions imposed by the local government, which may not want its buried secrets revealed, Colls must uncover the truth using revolutionary techniques and technologies.

Christianity has produced some of the greatest works of art of all time, in which believers and non-believers alike can explore the great themes of life and death. It is the language in which Leonardo and Michelangelo, Dali and Rembrandt speak to us all about love and suffering, loss and hope. To mark the year 2000, these four programmes, written and presented by Neil MacGregor, Director of the National Gallery, London, consider how artists over two millennia have tackled the extraordinarily difficult task of representing Christ.

Those who do not remember the past are condemned to repeat it, and the story of the wars fought in Vietnam from the 1940s to the 1970s is one from which many lessons can be learned. Initially a conflict involving a wounded post-war France attempting to re-take and hold its former colony, the fighting in Vietnam would become less a battle over territory and independence, and more an ideological battleground where the contrasting philosophies of east and west would meet head-on in an explosion of politics, culture and napalm.

Using previously unheard audiotapes recorded shortly after John Belushi's death, director R.J. Cutler's documentary examines the too-short life of once-in-a-generation talent who captured the hearts and funny bones of devoted audiences.

Behind-the-scenes archive documentary following Queen's Freddie Mercury, Brian May, Roger Taylor and John Deacon as they record their sixth album News of the World and embark on a groundbreaking tour of North America. By 1977, Queen had become a major headlining act in the UK, releasing chart-topping albums and singles as well as playing sell-out concerts in all the country's major venues. However, they were facing an increasingly hostile music press, who had a new favourite in punk and had turned against the elaborate, multi-layered recording techniques that had become the hallmark of the band's previous albums.

Telling the frank story of eight people's tempestuous relationship with alcohol.

Views of deep space: Orion Nebula, Rose of Galaxies and Pillars of Creation.

Women are taking over the Fantasia, a male-dominated equestrian event in Morocco. Once a year, riders in M?diouna near Casablanca celebrate the ancient martial arts of their ancestors. Now, Moroccan women are changing the rules.

A documentary of the tour for Pink Floyd's "delicate Sound of Thunder".

According to the earliest Tibetan traditions, hidden high in the Himalaya Mountains is a kingdom of the gods–Shambhala. Is it possible that this mystical realm truly exists, and can be reached through ancient practices designed to access other dimensions?

It's 1974. Muhammad Ali is 32 and thought by many to be past his prime. George Foreman is ten years younger and the heavyweight champion of the world. Promoter Don King wants to make a name for himself and offers …

Documentary series in which Lucy Worsley dispels the myths behind some of the key moments in royal history.

The armies of the Third Reich invaded the USSR on 22nd June 1941. Mobile commandos, the Einsatzgruppen, were following their advance to Stalingrad with the mission of eliminating all Jews on the conquered territories. Between June 1941 and the end of 1943, they shot to death close to two million Jews — men, women and children — from the Baltic countries to the Black Sea. Director Michael Prazan explores this unknown phase of the Shoah.

Severe air pollution is the price of China's rapid economic growth. This programme explores the daunting challenges in a country that nearly 1 million people are said to die from air pollution yearly.