Travel from the inner solar system to the Kuiper Belt and explore the moons surrounding the planets of the solar system. Many of these moons that were once unknown are now on the cutting edge of astronomical study. Some burst with volcanic fury another spews icy geysers and others offer the possibility of alien life. Are these strange worlds simply hostile environments unfit for humans or do other possibilities exist? Cutting-edge computer graphics are used to bring the universe down to earth and to imagine what kind of life forms might evolve in alien atmospheres.

We are in the grip of an allergy epidemic. 50 years ago one in 30 were affected, but in Britain today it is closer to one in three. Why this should be is one of modern medicine's greatest puzzles. In search of answers, Horizon travels round the globe, from the remotest inhabited island to the polluted centres of California and the UK. We meet sufferers and the scientists who have dedicated their lives trying to answer the mystery of why we are becoming allergic to our world.

A decade after An Inconvenient Truth brought climate change into the heart of popular culture comes the riveting and rousing follow-up that shows just how close we are to a real energy revolution. Vice President Al Gore continues his tireless fight, traveling around the world training an army of climate champions and influencing international climate policy. Cameras follow him behind the scenes-in moments private and public, funny and poignant-as he pursues the empowering notion that while the stakes have never been higher, the perils of climate change can be overcome with human ingenuity and passion.
Renowned filmmakers Bonni Cohen and Jon Shenk have taken the baton from 2006 Academy Award-winner Davis Guggenheim. What started then as a profound slide show lecture has become a gorgeously cinematic excursion. Our extraordinary former vice president invites us along on an inspirational journey across the globe that delivers the tools to heal our planet. The question is: Will we choose to take the baton?

We offer the complete second series of “Ancient Apocalypse” in a single video. In this series, journalist Graham Hancock travels to the Americas to search for evidence supporting his hypothesis: that an advanced civilization was lost to history during the cataclysms that marked the apocalyptic end of the last Ice Age, between 12,800 and 11,600 years ago. Each episode investigates new discoveries being made in the American hemisphere, which until recently has been largely under-explored by archaeologists interested in humanity’s origins. Graham reveals new findings and speculates about how those findings might suggest the existence of a globe-traveling advanced civilization that left traces of itself in ancient cultures.
In episode one, evidence from New Mexico’s White Sands desert confirms the presence of people in the Americas long before it was possible to migrate across the Bering Straits that formed a land bridge during the lowered sea-levels of the Ice Age. The series takes us to multiple locations in the US, Mexico, Brazil, Peru and Easter Island to investigate when people first arrived in the “New World” and how they made the journey. The findings give Graham reason to question the accepted timeline of human history. During his journey, Graham interviews highly regarded archaeologists and historians as well as indigenous elders, who share their unique knowledge of the sites and their oral histories. Hollywood actor, Keanu Reeves, also joins Graham across the series, discussing, among other things, his insights into storytelling as an act of preserving culture. Experts in the series include American archaeologist Dr. Chris Davis, Brazilian palaeontologist Dr. Alceu Ranzi, and archaeo-botanist Dr. Sonia Cardinali of Rapa Nui, Easter Island, among others.

Buddhists, Hindus, and hundreds of thousands of travellers from around the globe flock to Cambodia every year to experience the grandeur of Angkor. Its famous temples were built over the span of five centuries by the rulers of the Khmer Empire, and endure today as one of Earth's greatest archaeological wonders. Join us as we shed light on one of the most enigmatic, mesmerizing civilizations in the history of mankind. We peel away the myth and legend to uncover the hidden story behind the creation of this ancient city.
Angkor Wat is the largest temple on the face of the Earth and is a symbol of one of the greatest empires in the history of Southeast Asia. And yet, for centuries, the sacred structure remained lost within the tropical forests of Cambodia, along with the history of the young king who built the temple. Discover the story of Suryavarman II and how he ushered in the golden age of the Khmer Empire. See how Angkor Wat was constructed over four backbreaking decades, and witness the monument in its true glory and splendour, as it appeared 900 years ago.

During a Gurkha recruitment Palin is disturbed by Maoist insurgents, but survives to suffer as he climbs to 15,000 feet and sees the majesty of Annapurna Sanctuary. In Kathmandu he is blessed by the Nepalese king before meeting some holy men. Crossing into Tibet, he meets his first yaks at the highest monastery in the world, before heading up the Rongbuk glacier towards the summit of Everest.