D-Documentary

Campaigning for 16th president of the United States, Abraham Lincoln arrived onto the national stage as "Honest Abe." But was he really a simple fr...

Was Abraham Lincoln dying of cancer when he was killed? National Geographic is on the front lines as scientists attempt to solve a genetic mystery-...

Is marijuana the next big emerging industry? Despite the fact that it remains illegal under federal law and in 35 states, the new generation of "ga...

National Geographic goes inside the cannabis industry with Lisa Ling, reporting from secret farms and not-so-secret grow houses of marijuana cultiv...

True stories from those lost at sea. Get a riveting look at triumph and tragedy on storm-tossed seas as brave individuals offer an insider's view o...

Violent, secretive, and packed full of knowledge, Medieval Fight Book uncovers the real story of Europe in the Middle Ages. Using historical recrea...

Piranhas the stuff of nightmares and legends. They're infamous for how fast they can devour prey, and are known to attack in groups of up to 100. N...

The Mississippi River is one of the most important waterways on earth. For nearly a century man has tried to tame it. Measuring 2,300 miles from st...

Death: it fascinates, it frightens, and those who face it and survive often look at life in a whole different way. National Geographic's Moment of ...

Mysteries of the Bible travels back in time to the Holy Land to investigate the Bible's most fascinating mysteries. Lost Cities of the Bible: Natio...

Grab your flashlight and lace up your hiking boots for a visit to a fantastic unchartered universe-- the world of caves. Deep inside Kentucky's "Un...

Seven times over a period of about a year, a human foot in a sneaker washed ashore in British Columbia and Washington State. Theories of serial kil...

A family of five elephants is found dead on a dry riverbed in a remote region of India. The bodies show no signs of wounds or injuries, and the for...

Across the moors of Northern Europe, peat-cutters have unearthed hundreds of well-preserved mummies. But what was most baffling was the mummies' di...

For the first time, the Catholic Church is allowing scientific experts and historians to openly test the veracity of the remains of reported saints...

Using the wealth, culture and seized bounty of Mexican drug traffickers -- narco bling -- as a jumping off point, correspondent Mariana van Zeller ...

It's a raging drug war that has turned Phoenix, Arizona into the second kidnapping capital of the world. National Geographic correspondent Lisa Lin...

Are they ancient road maps or messages for visiting aliens? Lying at the foothill of Peru's Andes Mountains is the site of one of the world's great...

Joseph Mengele -- the escaped Nazi war criminal and SS physician known as the "Angel of Death" -- spent years doing bizarre medical experiments on ...

Can a picture save a species? Photographers Susan Middleton and David Liittschwager are in a race against the clock to capture powerful portraits o...

Discover the last descendants of America's first mustangs, isolated for centuries in the rural Southwest. Hit the trail with famed "horse whisperer...

Male or female, boy or girl? Most of us can answer that question without a second thought- but for some people, the answer isn't so simple. This sp...

Colorado is experiencing its second gold rush, only this time around it's being called the "green rush". It's all about medical marijuana, which is...

In the late 18th Century, "privateers" were ships commissioned by governments to pillage, steal and burn merchant vessels. But few people know that...