Rivers provide the essentials of life: fresh food and water. They often provide natural highways and enable us to live in just about every environment on Earth. But rivers can also flood, freeze or disappear altogether!

The demand for energy has risen relentlessly over the last 150 years in line with industrial development and population growth.

Japan's Tsunami: Caught on Camera captures the impact of the earthquake and tsunami that devastated Japan in March 2011, using amateur footage filmed by those caught up in the disaster.

The science behind the earthquake and tsunami that have devastated Japan

This programme was part of This Is Scotland - a BBC Four season which celebrated and examined aspects of Scottish culture, art, film-making, heritage, landscape and psyche.

On the Isles of Lewis and Harris, Meades discovers Calvinism and peat bog bodies.

Meades celebrates an oil refinery and takes potshots at overpaid footballers.

A thousand years ago the Khmer people of Cambodia built an empire that stretched a million square kilometers. It became the largest superpower the region has ever seen. Their capital was the great city of Angkor, once the largest city on Earth. Its centerpiece was Angkor Wat - a vast temple complex covering an area more than four times the size of Vatican City

Buried in the Cambodian jungle lie the lost remains of the great medieval city of Angkor, once the capital of one of the world\\\'s greatest civilisations. Today, only the great stone temples like Angkor Wat survive. But Angkor was once a teeming metropolis, full of life - the biggest city on Earth.

Kevin McCloud travels to Mumbai to explore one of the biggest slums in Asia and spends time living among its one million residents.

Documentary, featuring specially commissioned research, which reveals for the first time what really happened during the eruption of the volcanic island Krakatoa in 1883

In a series about the extraordinary stories behind maps, Professor Jerry Brotton uncovers how maps aren\'t simply about getting from A to B but are revealing snapshots of defining moments in history and tools of political power and persuasion.

Jerry Brotton shows how maps can reveal the fears, obsessions and prejudices of their age.

In the last of a three-part series about the extraordinary stories behind maps, Professor Jerry Brotton uncovers how maps are snapshots of a moment in history and offer visions of distant lands, tempting explorers to plunder and conquer.

Map expert Professor Jerry Brotton uncovers how maps aren't simply about getting from A to B, but are revealing snapshots of defining moments in history and tools of political power and persuasion.

Iain finds out how gung-ho geologist Edward Bailey discovered Scotland was once home to super volcanoes. And how unsung hero Arthur Holmes solved the mystery of what makes continents move across the surface of the globe.

In the final episode, Iain finds out about daredevil scientist Louis Agassiz, who first imagined the world had been gripped by an ice age. Plus, the story of humble janitor James Croll, who used the planets to work out the natural rhythms of the earth\'s climate.

Michael Palin explores European countries that were once behind the Iron Curtain

Michael makes a remarkable visit to Göreme, where the rocks have been carved to form homes and some of the most remarkable churches of the early Christian era. Leaving the Cappodocia region by balloon, he sails east towards the borders of the New Europe, which if Turkey were to join the European Union would include Iran, Iraq and Syria

High in the Tatra mountains of Slovakia, Michael skins a pig, and learns how to make sausages. He then departs to Brno to visit Tibor Turba's famous mime school, where he is asked to mime a cockerel. Travelling in a DC3, used during the Berlin airlift, he visits the island of Rugen, built by Hitler for his KDF ('Strength through Joy') programme.

Michael travels from Transdniester, a breakaway state from the Republic of Moldova, to the Vaser Valley in Romania, where he joins 80 lumberjacks as they board a wood-fired steam train. He finally ends up at Bran Castle in Transylvania, the ancestral home of Vlad the Impaler and alleged home of Bram Stoker's Dracula

Michael Wood journeys through the Indian subcontinent, tracing the incredible richness and diversity of its peoples, cultures and landscapes.

Michael Wood journeys through the subcontinent, tracing the incredible richness and diversity of its peoples, cultures and landscapes. Through ancient manuscripts and oral tales Michael charts the first human migrations out of Africa. He travels from the tropical backwaters of South India through lost ancient cities in Pakistan to the vibrant landscapes of the Ganges plain.

Michael Wood's epic series moves on to the revolutionary years after 500BC - the Age of the Buddha. Travelling by rail to the ancient cities of the Ganges plain, by army convoy through northern Iraq and on down the Khyber Pass, he shows how Alexander the Great's invasion of India inspired her first empire.

Michael Wood traces India in the days of the Roman Empire. In Kerala the spice trade opened India to the world, whilst gold and silk bazaars in the ancient city of Madurai were a delight for visiting Greek traders. From the deserts of Turkmenistan, Michael travels down the Khyber Pass to Pakistan to discover a forgotten Indian Empire that opened up the Silk Road and at Peshawar built a lost Wonder of the World.

Reaching the time of the Fall of Rome in the West, Michael Wood seeks out the amazing achievements of India's golden age. We learn how India discovered zero, calculated the circumference of the earth and wrote the world's first sex guide, the Kama Sutra.

Michael Wood charts the coming of Islam to the subcontinent and one of the greatest ages of world civilisation: the Mughals. Michael visits Sufi shrines in Old Delhi, desert fortresses in Rajasthan and the cities of Lahore and Agra, where he offers a new theory on the design of the Taj Mahal.

The final episode examines the British Raj and India's freedom struggle. In South India, Michael sees how a global corporation, the East India Company, came to control much of the subcontinent. He visits the magical culture of Lucknow and discovers the enigmatic Briton, 'the rebel in the Raj' who helped found the freedom movement.

Michael Wood tells the story of one place, the Leicestershire village of Kibworth, throughout the whole of English history

With the help of the residents, he charts events in the village leading to the people\'s involvement in the Civil War of Simon de Montfort. Intertwining the local and national narratives, this is a moving and informative picture of one local community through time.