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    Show: Inside Area 51’s Secrets
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Wildebeest
The migrating Serengeti-Mara population represents about 70% of the global population of common wildebeests.
Red Crab
Millions of generations have engineered red crabs for life on land but their young must hatch in the ocean.
Monarch Butterflies
A wave of orange surrounds the trees during the monarch butterfly migration.
Falkland Islands
The Falkland Islands are off the coast of South America in the South Atlantic Ocean.
Kob
A herd of white-eared kob graze. This magnificent antelope lives nowhere else on Earth.
Army Ants
Army ants will migrate about 330 feet each night; the equivalent in human terms of a marathon.
Flying Foxes
The little red flying fox of Australia sometimes form camps of over one million individuals.
Elephant Seals
Male southern elephant seals, or bulls, must compete to earn the right to mate with an assembly of females.
The Shot
Urban spaces to volcanoes, bees to owls, war-torn countries to dying languages. Photography follows curiosity.
The Photographer
The faces behind the camera: these guys all know how close you have to get if you really want the best shot.
The Setup
The perfect photograph takes more than talent: see the research, pain and frustration behind the scenes.
Seconds From Disaster
Seconds From Disaster
Narco Wars
The brutal truth behind this multi-million dollar drug business.
Inside Marijuana
Marijuana: from smoking to cooking, pleasure to pain relief.
Take a Trip
Unearth one of the most potent mood-changing chemicals ever discovered.
Drug subs
South American drug lords have gone beneath the waves in mini submarines, hand-built in the Colombian jungle.
Cocaine
Uncover more about how the supply chain of cocaine stretches around the world.
Heroin
Unmask heroin, the drug that can be life-threatening.
Marijuana
Find out more about cannabis, the most widely used illicit drug on the planet.
Methamphetamine
See the dangers of meth and the unexpected physical damages caused by the drug.