Examining the pros and cons of the rapidly growing world of wildlife tourism.

Four experienced teams of mountain folk comb the Smokies in search of coveted wild Ginseng.

Industrial scientists Richard Ambrose and Jonny Phillips find extraordinary facts behind ordinary everyday objects.

Unprecedented access to a real international Nato mission exercise.

Sheriff Deputies in the counties of Boulder, Eagle and Grand, Colorado fight crime in America’s most rugged terrain: The Rocky Mountains....

America's greatest parks are explored in this documentary series.

With exclusive access, National Geographic joined the crews of Air Force One and Marine One to document missions of historic significance and scope....

A filmmaker teams up with a scientist and an angler to boat the entire length of the Mississippi, a feat few have achieved, while also documenting...

He's known as the "Flea Man," and thankfully for him and his loved ones, it has nothing to do with blood-sucking parasites. Jimmy Kaplow is a flea...

The dogs of U.S. Customs and Border Patrol work the border day and night to stop the flow of illegal contraband.

Inside the American Mob delves into the history of the highly profitable but extremely dangerous enterprise run by the infamous Five Families. Known...

In recognition of the 150th anniversary of the Civil War, National Geographic follows descendants of Americans as they embark on journeys to discover...

Ancient Secrets is a series on the National Geographic Channel. As the show unfolds, it attempts to investigate the world’s most enduring...

Kate lives a secluded life—until her troubled daughter shows up, frightened and covered in someone else's blood. As Kate unravels the shocking...

Kat is an improv comedy teacher beginning to question if she’s missed her shot at success. When an undercover cop offers her the role of a...

After his life is turned upside down when his wife is killed in a London terrorist attack, a brilliant but introverted CIA decoder takes matters into...

Plagued by a violent recurring nightmare, college student Stefanie heads home to track down the one person who might be able to break the cycle and...

On the rugged isle of Berk, where Vikings and dragons have been bitter enemies for generations, Hiccup stands apart, defying centuries of tradition...

Ex-con Kris Chaney seizes the daughter of a Colombian gangster to fulfill a noble promise to the young girl's mother. When her father enlists both...

Trying to leave their troubled lives behind, twin brothers return to their hometown to start again, only to discover that an even greater evil is...

What will be her last straw? A devastatingly bad day pushes a hardworking single mother to the breaking point — and into a shocking act of...