Watch National Geographic Documentaries Season 1 Full Episodes

The Sahara, largest desert in the world, is home to the Tuaregs, the Moors, Arabs, and the Tubu. Throughout history, camel caravans have carried...

Before it takes its first breath, a human baby has been through an incredible transformation from a single cell to a complex, self-sustaining...

In 1976, American Legionnaires were celebrating the USA's bicentenary, but soon they were struck with a mysterious disease.

Series in which familiar creatures are studied to test their abilities to the limit. A look at the pig, one of the most intelligent animals in the...

For over 12,000 years they have been man's best friend - a cuddly companion and a survival aid. But how smart are dogs? Scientists put them to the...

For 20 years, FBI Director J. Edgar Hoover denied the existence of the mafia. Was it because he was being blackmailed by them? If so, did they...

At the height of the Cold War, the CIA launched a highly classified, top secret research program that exposed Americans to biological agents,...

At the end of World War II, Adolf Hitler faced the reality of defeat and committed suicide. Then his body mysteriously disappeared. The FBI spent...

From scientific breakthroughs, escapes and heartbreaking disasters, discover the untold stories of the Apollo space missions, where 24 men risked...

Hooked: Monster Fish! A catfish the size of a grizzly bear? A 1,000-pound marlin with a deadly sharp bill? Discover monster fish so prized that...

Explorer takes viewers into the disturbing world of surveillance technology and scans the latest and future technologies used to even spy on the...

In the closing months of World War II, defeat was looming for the Germans. The invasion of Normandy on June 6, 1944 -- D-Day -- opened a second...

Most of us would run from a deadly tornado. Tim Samaras has dedicated his life to chasing them down, and this year he's armed with two cutting-edge...

A look at MS Freedom of the Seas, the largest passenger ship in the world, which can accommodate more than 4,300 passengers and over 1,300 crew....

Imagine a truck the size of a two-story house on 14-foot-high tires, powered by a diesel engine that weighs 42,000 lbs. This is the Caterpillar 797B,...

a documentary which tells the story of rescue efforts from Hurricane Katrina. In the aftermath of Hurricane Katrina, the power goes out in New...

When a Russian mini-submarine becomes entangled in an old fishing net in the north Pacific, the race is on to rescue the crew before their dwindling...

Deep inside Quecreek mine in Pennsylvania, 18 miners begin their evening shift on 24 July 2002. Suddenly, one of the miners breaks through an...

Two teams of building movers face the ultimate challenge as they race against time to relocate entire towns. Can they overcome the inevitable...

After stealing million from his clients, Albert Walker flees Canada, kidnapping his teenage daughter. It takes Interpol years to unravel Walker's...

Fat and cuddly, hippos are thought of as jolly vegetarians. And yet, these affable, loveable characters are responsible for killing more people in...

The Bible chronicles the fate of Sodom and Gomorrah - cities destroyed in retribution for sin. Here, biblical scientists and scholars attempt to...

Deep in the heart of the Amazon, an uncharted lake emerges every dry season when the floodwaters start to recede. It's rumoured that this seasonal...