Katty Kay in Washington and Christian Fraser in London report on the events that are shaping the world.
A look at how the Coldstream Guards, who now serve as a bodyguard to the Queen, are still motivated by a history which stretches back to the English Civil War. Show more
Series in which Sam Willis reveals stories of invasion in Britain, including the Barbary Corsaire pirates and the tale of King Louis the Lion, who invaded in the 13th century. Show more
Documentary telling the behind-the-scenes story of Felix Baumgartner's historic, record-breaking 128,100ft freefall from the edge of space to Earth on 15 October 2012. Show more
Narrated by Sir David Attenborough, this film follows the teams at the Natural History Museum as they replace the iconic dinosaur skeleton cast with a real blue whale skeleton. Show more
Sleuths, Spies & Sorcerers: Andrew Marr's Paperback Heroes
Episode 2: Fantasy
58 minutes on BBC Four HD
Series in which Andrew Marr explores the books we read. He argues that fantasy novels are filled with big ideas that allow us to see our own world in a surprising way. Show more
Mark Miodownik looks at how materials have enabled us to indulge our curiosity about the world around us, revealing why the everyday and even the mundane is anything but. Show more
Documentary. The story of the disastrous British-led Gallipoli military campaign from the perspective of Keith Murdoch, an Australian journalist and father of Rupert Murdoch. Show more
An account of the men and horses of the Australian Light Horse and the role they played in World War I at the battles of Romani and Beersheba, and the capture of Damascus in 1918. Show more