British physicist Stephen Hawking explores the mysteries of the universe, discussing the possibility of aliens, time travel, and how the universe began.

The story of the war's most concentrated aerial attack on London in 1941 and how the city nearly perished under the German barrage. Approximately 43,000 people died and over 1 million houses were destroyed during the blitz.

For over 2,000 years London has evolved into one of the world's largest cities, a modern metropolis on a massive scale. This is the story of events that took place to create that great city.

The secret Nazi death camp at Sobibor was created solely for the mass extermination of Jews. But on October 14, 1943, in the biggest and most successful prison revolt of the Second World War, the inmates fought back. Using dramatic reenactments four survivors; Toivi Blatt, Philip Bialowitz, Selma Engel-Wijnberg, and former Russian POW Semjon Rozenfeld, tell firsthand accounts of the day they escaped certain death to freedom.

Egypt is home to many of the most famous archaeological treasures on Earth. But over the last five years, Egypt has suffered a tumultuous revolution and tourist numbers have plummeted. The program follows a select cast of individuals, determined to bring Egypt back from the brink. They want to discover more of Egypt's history, keep its heritage safe, and get tourists to visit the country again.

"Unearths the stories behind three of the world's greatest engineering marvels - the Colosseum, Chartres Cathedral, and the Great Pyramid of Giza." --

Earth From Space is a groundbreaking two-hour special that reveals a spectacular new space-based vision of our planet. Produced in extensive consultation with NASA scientists, this special takes data from earth-observing satellites and transforms them into dazzling visual sequences, each one exposing the intricate and surprising web of forces that sustain life on earth.

In 2013, a particularly massive chunk of ice and rock is hurtling towards the Atlantic Ocean. The object's size will fascinate billions and should create the space show of the century. Follow scientists on the trail of the once-in-lifetime comet ISON and explore the cultural obsession with these celestial visitors.

The world's greatest religious structures are marvels of engineering, technology, and invention. Designed to celebrate the glory of God, they are also monuments to the ingenuity of man. Revisit Hagia Sophia in Istanbul, the Cathedral of Notre Dame in Paris, St. Peter's Cathedral in Rome, Segrada Familia in Barcelona, Spain, and the Crystal Cathedral in Los Angeles.

Stephen Hawking unfolds his personal, compelling vision of the biggest question of all: Who or what created the universe in which we live? The groundbreaking series into the Universe with Stephen Hawking combined cutting-edge computer graphics with Hawking's witty, distinctive and incisive world view. Now, the journey is taken a step further, as physics and cosmology become tools to answer questions that philosophers have struggled with for thousands...