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
Castles: Britain's Fortified History
Episode 3: Defence of the Realm
59 minutes on BBC Four HD
Available for 15 days
Sam Willis looks at how castles survived into the Tudor era. But these strategic seats of power had to become palaces to impress monarchs such as Elizabeth I. Show more
How Britain's docks in cities like Liverpool, London and Cardiff were not only commercial portals to the world, but also gateways for the arrival of sounds, styles and cultures. Show more
Series about surgeon Paolo Macchiarini. In 2012, his work seems at risk when he discovers faults with the new synthetic organs, but he still has faith in the procedure. 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
Neil Oliver recounts the life of John Muir, who was instrumental to the modern conservation movement and one of the founders of America's National Park movement. Show more
Granted access to ruined whaling stations on South Georgia, Adam Nicolson continues to explore the role British whalers played in Antarctic whaling as late as the 1960s. Show more
Medievalist Dan Jones goes in search of surviving works from the great age of English embroidery, some of which survived the destruction of art during the Reformation. Show more
How Britain's docks in cities like Liverpool, London and Cardiff were not only commercial portals to the world, but also gateways for the arrival of sounds, styles and cultures. Show more