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Air Crash Investigation

Tune into the brand new series of Air Crash Investigation Mondays at 9pm from 1st March.It should have been the start of a sunshin...

Predator CSI

A team of specialists investigate the mystery of an exploding whale that left local residents overwhelmed.When a 50-tonne whale di...

Megafactories

Step inside the world's most impressive industrial sites as this fascinating series returns to explore the manufacturing stories b...

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Flying Squad: The Real Sweeney Air Crash Investigation Megafactories The Dog Whisperer Camp Leatherneck: Helmand Province Border Wars Saxon Gold: Finding the Hoard Giant Octopus Surviving the Jungle Monkey Thieves Shadow Wolves: Border Warriors Shark Men Cruise Ship Diaries The Nasca Lines Mystery Britain's Greatest Machines With Chris Barrie America's Hardest Prisons Predator Battleground Bizarre Animal Friends Sea Patrol UK Yellowstone Battleground

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World's Tallest Tree

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Britain's Greatest Machines With Ch...

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Banged Up Abroad

Seconds From Disaster

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Border Wars : Blackhawk cruise

At CBP Air and Marine, agents prepare to hit the skies to stop illegal immigrants and illicit drugs from entering the US.

Flying Squad: The Real Sweeney : The Real Cops & Robbers

See the real Sweeney and the villains they captured.

Wild Russia : The Amur Leopard

Few people have ever seen one – or ever will. The Amur leopard. About 30 remain in the wild, making it the most critically endangered big cat.

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Air Crash Investigation: Cleared for Disaster The Nasca Lines Mystery: Mysterious Lines Megafactories: Extreme Giant Octopus: The Myth Surviving the Jungle: Animal instinct? Camp Leatherneck: Helmand Prov...: Makeshift home Border Wars: Blackhawk cruise Air Crash Investigation: Pilot vs Plane Shadow Wolves: Border Warriors: Border Warriors The Nasca Lines Mystery: Sticks and Stones Shark Men: Shark mate Megafactories: Custom Built Air Crash Investigation: UK's worst air disaster? Britain's Greatest Machines Wi...: NEW Trains Britain's Greatest Machines Wi...: NEW 1920s Shark Men: Hunted predator Britain's Greatest Machines Wi...: NEW 1910s Cruise Ship Diaries: Cruise ship life Shark Men: Boys meet girl Britain's Greatest Machines Wi...: Behind The Scenes - series two

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Surviving the Ju...: Secret animal...

Surviving the Ju...: Animal instinc...

Giant Octopus: The Myth

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The Real Serenge...: Assault on the...

Jaguar Adventure: Jaguar Adventu...

Bite Me: Mosquitoes, de...

Engineering

Earth Report 200...: Artic Ice

Earth Report 200...: Volcanic Erupt...

Earth Report 200...: Myanmar Cyclon...

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Earth Report 200...: Food Shortages

Earth Report 200...: Endangered Ani...

Earth Report 200...: Atlantic Hurri...

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ANCIENT MEGASTRUCTURES

Sunday 18 April at 9:00AM

National Geographic Channel

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The Alhambra

The most impressive monument to Muslim engineering in the Western world the Alhambra towers over Granada in so...

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The Alhambra: Wonder of Islam

Dominating the skyline of Granada in Southern Spain, The Alhambra is an architectural wonder born from battle...

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Petra Gallery 1

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St. Paul's Cathedral

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Discover the secrets of revolutionary structures in Ancient Megastructures.

Certain landmarks have captured the imagination and awe of modern-day architects and engineers around the world as they work to solve the mystery of how their ancient forebears were able to construct such beautiful, timeless and revolutionary structures with none of the machines and materials available to modern engineers.

From the dreams that inspired them, to the blood and sweat that built them, discover the full story behind six magnificent structures that forever changed the landscape of architecture: Petra, Alhambra, St.Paul’s Cathedral, Hagia Sophia, Machu Picchu and Angkor Wat.