Sam Willis traces the story of Britain's castles in our history, art and literature.
Surgeon Gabriel Weston explores the history and development of forensic science.
Pianist Freddy Kempf plays Chopin's Etude in E flat, Op 10 no 11.
Performances of works by Chopin.
Chris Packham and two of his heroes discuss art, television and communing with a gorilla.
Legendary rock 'n' roller Chuck Berry performs at the BBC Television Theatre in 1972.
With Aretha Franklin, Dusty Springfield, Isaac Hayes, Solomon Burke and Percy Sledge.
Documentary strand getting to the heart of its subjects
The story of some of the most important genetic scientists of the modern age.
How the invention of the jet engine transformed Britain after the Second World War.
A collection of live performances from the BBC Proms
A cordon seals off a section of Antwerp when a deadly virus threatens the city.
Documentary telling the story of how the Russians led us into the space age.