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

Griff Rhys Jones discovers how the National Trust looks after some of Wales's national treasures. In this programme he examines the management of the Trust's farmland. Show more

Ray Mears finds out how 500,000 square miles of flat, treeless grassland was the setting for Wild West stories of Indians, wagon trains, homesteaders and cattle drives. Show more

Ian Hislop explores the British trait of obsession with the past. He shows how the Victorians turned to the Middle Ages to make sense of their era of progress. Show more

Patrick Kielty learns about William Mulholland, the man responsible for building Los Angeles's water infrastructure and ensuring a water supply that allowed the city to grow. Show more

Author and whale-watcher Philip Hoare takes us into the world of baleen whales, the largest animals ever to have lived and the order including blue, fin and humpback whales. Show more

AN Wilson reveals that the years after her beloved Prince Albert's death were actually a process of liberation and the most productive and exciting times for Queen Victoria. Show more

Series going behind the scenes at British Airways. Featuring a look behind the airline's 'millionaire's door' at Heathrow, and the tough training course faced by new recruits. Show more

David Hayman explores Germany's World War One U-boat threat and the fascinating and dastardly ploys Britain used against the submarines. Show more

Documentary series. One of the last traditional weavers on the Polynesian island of Rurutu creates a ceremonial 'taupoo', a hat made from pandanus leaves. Show more

Ray Mears finds out how 500,000 square miles of flat, treeless grassland was the setting for Wild West stories of Indians, wagon trains, homesteaders and cattle drives. Show more