D-Documentary

For more than half of the U.S. population, the Appalachian Trail is less than a day's drive away. Yet despite its proximity to many major cities, f...

Over the centuries, horses have captured hearts and minds of the Irish people. Nurtured by the mild climate and rich grasses, the horses of Ireland...

A shark shoots skyward, tackling a herd of seals, as National Geographic expert Ryan Johnson heads to sea with researcher Alta De Vos. Join the pai...

National Geographic embarks on a voyage of breakthrough discoveries that will forever alter our view of the infamous creature once labeled "the per...

It's the busiest execution chamber in the country. In the small town of Huntsville, Texas 18 inmates were executed in 2008 alone, 423 between 1982 ...

Venturing into vast underwater graveyards of Mayan human sacrifices in Mexico, journalist Diego Bunuel searches for new revelations about the infam...

The Pacific Crest Trail zigzags some 2,650 miles from Mexico to Canada. It cuts through seven national Parks and 24 national forests as it travels ...

Megalodon was the biggest predator ever to swim the oceans. And for 20 million years, this ferocious 50-ton shark with a 9-foot jaw and 7-inch serr...

Engineer Kevin Cook travels the world to attempt to put a cash value on the world's most iconic and priceless monuments.

Prison Women takes you inside two of the nation's largest jails to follow the women guarding some of the jails' most dangerous inmates.

Three psychics put a new spin on an old story - by searching for lost treasure using only the power of their minds. John, a remote viewer; Susette,...

Enter the mysterious, unchartable wilderness of Okefenokee, 1400 square miles of swampland on the Georgia-Florida border. Eerie, forbidding, and da...

Join renowned wildlife filmmakers Dereck and Beverly Joubert as they capture the drama of Africa's largest free-roaming elephant herds on their tim...

Orphaned cubs are rescued from the jungle, rehabilitated and released - but did they learn how to live in the wild? To find out, the rescuers unite...

Rocket City Rednecks returns for more outrageously ingenious science, as the family of "backwoods geniuses" combine their hillbilly ingenuity with ...

Witness the wrenching story of the collapse of the Romanov dynasty. Nicholas II had absolute power over his vast realm, yet he was helpless in the ...

Human babies come into this world entirely helpless unable to walk, talk or feed themselves. And, as any parent can testify, a remarkable transform...

National Geographic follows a large scale expedition setting out to uncover the truth behind the disappearance of legendary polar explorer Ronald A...

Dive into the tumultuous history of the atom bomb - filled with deception, twists and danger that even Hollywood couldn't make up. Culling from rar...

From military reports to radar readings and mass sightings of UFOs, National Geographic will analyze the most compelling evidence and hear from wit...

Secret Service Files: Protecting the President goes on the ground with agents-the Secret Service Protective Detail and FBI response teams - as they...

Secret Weapon of the Confederacy explores the short, eventful life of the submersible H. L. Hunley.

Hammerheads school in enormous numbers. Coral reefs ripple with color by day but at night turn into killing grounds for packs of whitetip sharks. P...

In season three of Shark Men, expedition leader Chris Fischer has to learn to work with Pete Klimley (a.k.a. Dr. Hammerhead) and a brand-new scienc...