"Actor: Liam Neeson (narration)"

• IMAX Natural Phenomena Collection | DVD | (14/11/2011) from £33.25   |  Saving you £6.74 (20.27%)   |  RRP £39.99

  Grand Canyon Adventures: River At Risk: A powerful and cautionary film about the threat to one of America's most iconic landscapes. The film follows the great Colorado River as it reveals the most pressing environmental story of our time - the world's growing shortage of fresh water. Join environmental advocates Robert F. Kennedy, Jr. and Wade Davis as they set out with their daughters, travelling deep into the Grand Canyon and down the river that runs through it.Your pulse will quicken as you are invited to join this thrilling ride downriver through raging rapids and breathtaking canyons. With stunning photography and sweeping aerial shots the renowned filmmakers capture all the majesty of the Colorado and The Grand Canyon in the largest film format ever made...Volcanoes Of The Deep Sea: From Stephen Low (Super Speedway, Titanica), Volcanoes of the Deep Sea is a landmark deep-sea film. The film explores astounding undersea volcanic habitats, 12,000 feet beneath the ocean surface. Unravelling the secrets of a dynamic habitat where life is fuelled by the planet's internal fires, Volcanoes of the Deep Sea illuminates the deep ocean as never before, delivering a dramatic new vision of planet Earth. Narrated by Ed Harris with James Cameron as executive producer.Journey Into Amazing Caves: Tells the story of two inspiring young women: Nancy Aulenbach and Dr. Hazel Barton, who share a love for caves and exploration. Join these two accomplished cavers as they explore unusual caves in Greenland, the Grand Canyon and the jungles of Mexico looking for important clues about the earth's past and microorganisms that inhabit its most extreme environments.Narrated by Liam Neeson with a soundtrack by the Moody Blues.

• IMAX Coral Reef Adventure | Blu Ray | (22/08/2011) from £26.98   |  Saving you £-6.99 (-35.00%)   |  RRP £19.99

  Take a once-in-a-lifetime journey across the South Pacific for a spectacular IMAX adventure. Joy, ecstasy, a spiritual high: these words describe the exhilaration of diving a pristine coral reef, and ocean explorers Howard and Michele Hall bring their love of the ocean into action. With Jean-Michael Cousteau, deep reef scientist Richard Pyle and Fijian diver Rusi Vulakoro, they explore and capture on film the dazzling underwater world of coral reefs, magical places here on Earth. This tropical excursion through the South Pacific will surprise and delight you as you fall in love with the reefs, and your heart will ache at the tragic, irretrievable loss of these fragile worlds.