Mass hallucinations, top-secret military experiments, naturally occurring phenomena - find out if there are aliens among us.
Images from Prostitution: The Oldest Trade part of the Taboo series.
Scientist disect the baby mammoth.
Today, an entire workforce of women is just an internet connection and a phone call away.
Photo gallery for Texas Gang War episode from America's Hardest Prisons series on National Geographic Channel.
An elite group of aerospace engineers and stealth experts rebuild the Horton 229
Cesar tackles two bullying bulldogs whose owners have reached the end of their teethers!
Check out the men and women who set out to find the world’s most precious metals in hope of earning a fortune.
A look inside Georgia’s maximum security prisons.
Explore some of the world’s toughest environments, inhabited by remote tribal communities.
Step on board the Costa Serena and get the low down on one of Europe's largest cruise ships.
Could an environmental catastrophe and a volcanic eruption hundreds of miles away really have led to one of the Bible's greates...
Photos from the largest gathering of humans in one place, at one time, on earth.
See images of Rudy Giuliani following the September 11 attacks on New York's World Trade Centre.
After poor decisions, a visit to a foreign country can turn into a nightmare.
These pilots must transport supplies and rescue the lost and injured in areas that only planes can get to.
From counterfeit money to heroin stings these people landed behind bars abroad.
This one-hour special reveals the incredible events when an unarmed crew fought against Somali pirates to regain control of the...
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