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.
Check out the men and women who set out to find the world’s most precious metals in hope of earning a fortune.
Today, an entire workforce of women is just an internet connection and a phone call away.
Scientist disect the baby mammoth.
An elite group of aerospace engineers and stealth experts rebuild the Horton 229
This one-hour special reveals the incredible events when an unarmed crew fought against Somali pirates to regain control of the...
Cesar tackles two bullying bulldogs whose owners have reached the end of their teethers!
A look inside Georgia’s maximum security prisons.
Explore some of the world’s toughest environments, inhabited by remote tribal communities.
Alaska’s brutal weather doesn’t make mining for gold easy.
Nat Geo opens the doors to Obama's White House.
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...
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.
Photos from the largest gathering of humans in one place, at one time, on earth.
The amazing men, women and families taking on life’s biggest challenges.
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