As President Trump takes office, Katty Kay in Washington and Christian Fraser in London report on the events that are shaping our world.
Series celebrating handcrafted objects made under the royal warrant. John Lobb is a heritage company still run by the original family using time-honoured methods. Show more
Historian and broadcaster Dan Snow leads an investigation into one of the big stories of the decade, the hunt for a buried Nazi gold train in Poland. Show more
Dr Helen Czerski investigates the science behind the sounds we're familiar with and the sounds that we normally can't hear, from Big Ben to the Stromboli volcano. Show more
Exploring how Britain's expanding rail network sparked a social revolution. How do you organise a network in a country of separate time zones and no recognised timetables? Show more
Railways: The Making of a Nation
Capitalism and Commerce
28 minutes on BBC Four HD
Available for years
Series about Britain's railways. Liz McIvor explores how railways stimulated great changes to the nation's economy, including how business was done. Show more
Huw Edwards meets the descendants of the pioneers who established a community in Patagonia 150 years ago, to see what remains of the culture their forefathers wanted to safeguard. Show more
Waldemar Januszczak traces the Italian Renaissance from its perceived origins with Giotto, and looks at the importance of religious narrative in art. Show more
Series exploring scientific issues. A look at predictions of violent activity on the sun and how these solar storms could disrupt our technological civilisation. Show more
Paul Rose tells the true story of an eventful voyage as he explores how Captain James Cook's discoveries changed the world. Show more
Historian and broadcaster Dan Snow leads an investigation into one of the big stories of the decade, the hunt for a buried Nazi gold train in Poland. Show more