Katty Kay in Washington and Christian Fraser in London report on the events that are shaping our world.

Series about traditional crafts along the Silk Road trade route. In northern China, a family of weavers use a combination of handmade techniques and mechanised looms. Show more

Series looking at the history of 20th-century farming in Britain. This episode features the stories of two dairy farmers who survived the supermarket revolution. Show more

Janina Ramirez and Alastair Sooke discover Barcelona through its art and architecture, including the frescoes that inspired Miro and a surprising collection of vintage fans. Show more

Nicholas Parsons explores his life-long enthusiasm for clocks when he goes in search of the most valuable and famous watch in the world - the so-called Marie Antoinette. Show more

Michael Palin discovers the story of 17th-century Italian artist Artemisia Gentileschi. He unearths not only her paintings, but a complex and difficult life. Show more

Lucy Worsley explores the ordinary and the extraordinary lives of women in the home at a time when respectable women were defined as maids, wives or widows. Show more

Timothy Walker looks at how 17th-century botanists made the connection between the growth of a plant and the energy from the sun - the process of photosynthesis. Show more

Documentary series celebrating Britain's motorways. This edition explores how they have transformed where Brits live, work and play over the last 50 years. Show more

Janina Ramirez and Alastair Sooke discover Barcelona through its art and architecture, including the frescoes that inspired Miro and a surprising collection of vintage fans. Show more