The latest national and international news, exploring the day's events from a global perspective.
Paul Murton follows in the footsteps of Scotland's first tourists. He travels from Loch Maree into Assynt and on to the northernmost part of mainland Scotland. Show more
From the Staffordshire hills to the Humber estuary, spirited explorer Tom Fort embarks on a 170-mile journey down the River Trent on his own custom-built punt, the Trent Otter. Show more
The story of Tsar Nicholas II's four daughters. As they grew up, the sisters attracted frenzied press attention and grew close to their parents' advisor Rasputin. Show more
Documentary looking into what killed King Tutankhamun, the boy pharaoh. Dallas Campbell reveals new scientific research and carries out unique experiments to get to the truth. Show more
Richard Fortey travels to Madeira to examine what happens to a volcanic island as it nears the end of its life cycle and starts sinking back into the sea. Show more
Professor Iain Stewart continues his epic exploration of how the planet has shaped human history. He investigates how water has influenced the rise and fall of civilizations. Show more
How the Celts Saved Britain
Episode 1: A New Civilisation
58 minutes on BBC Four HD
Available for years
Dan Snow reveals how the Irish saved Britain from cultural oblivion in the Dark Ages. He examines the demise of civilisation in Britain after the Romans left. Show more
A look at the clash between luxury and Christianity in medieval Europe and how the Black Death paradoxically liberated it from the church. Show more
Shipwrecks: Britain's Sunken History
Episode 2: A World Turned Upside Down
59 minutes on BBC Four HD
Available for years
Dr Sam Willis takes the story of shipwrecks into the Georgian age when Britain began to rule the waves and disasters at sea imperilled its trading power. Show more