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.
A look inside Georgia’s maximum security prisons.
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!
Photos from the largest gathering of humans in one place, at one time, on earth.
Could an environmental catastrophe and a volcanic eruption hundreds of miles away really have led to one of the Bible's greates...
Today, an entire workforce of women is just an internet connection and a phone call away.
Step on board the Costa Serena and get the low down on one of Europe's largest cruise ships.
The amazing men, women and families taking on life’s biggest challenges.
DMC puts your belief to the test, making the impossible seem possible with amazing tricks.
Yalmal, Siberia where the baby mammoth was found.
A unique look at state-sanctioned death in Huntsville, Texas.
This one-hour special reveals the incredible events when an unarmed crew fought against Somali pirates to regain control of the...
Photo gallery for Texas Gang War episode from America's Hardest Prisons series on National Geographic Channel.
Alaska’s brutal weather doesn’t make mining for gold easy.
Officers with U.S. Customs and Border Protection and U.S. Immigration and Customs Enforcement crack down on smugglers.
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