In 1980, the U.S. government banned new human occupation in the Arctic National Wildlife Refuge in Alaska, a protected area, home to thousands of native animals and pristine terrain spanning roughly the size of South Carolina. Currently, only a handful of families spread across seven permitted cabins are allowed to remain in the refuge. Within less than 100 years, all remaining permits will reach expiration, and there will be no human presence left.

Cowboys and Outlaws is a documentary series on The History Channel that details key figures and events in the history of the American West in the latter half of the 19th century. It uses dramatic reenactments, historian interviews and forensic evidence to highlight famous figures such as Billy the Kid, Wyatt Earp and Tom Horn. It also covers historical events such as the first drive along the Goodnight-Loving Trail and the transformation of Abilene, Kansas from a small settlement into a major cattle town.

As of February, 2010, only six episodes have aired. A DVD collection was released on January 26, 2010.

Historians, engineers, ​and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.

Host Adam Conover employs a combination of comedy, history and science to dispel widespread misconceptions about everything we take for granted.

There is nowhere more powerful and unforgiving yet more beautiful and compelling than the ocean. Join us and explore the greatest yet least known parts of our planet.

Cities of the Underworld is an American documentary television series that premiered on March 2, 2007, on the History channel. The program explores the subterranean environment and culture beneath various civilizations. The series was originally hosted and narrated by Eric Geller for the majority of episodes in Season 1, with Don Wildman taking over for the rest of series 1 and series 2 and 3.

Two Missouri brothers, Taimoor and Rehan, travel the country rewriting the rules of home design by taking on the most unconventional, most bizarre, most dangerous run-down structures and transforming them into surprising, ingenious and luxurious dream homes.

The epic history behind the creation of America, exploring how and why our ancestors came to this country.

Examine the massive immigration patterns of ethnic groups to the United States through the telling of historical events including the Dutch Fur Trade, the Great Potato Famine, the California Gold Rush and more.

Michael Portillo crosses the Atlantic to ride the railroads of America, armed with Appleton’s General Guide to the United States, published in 1879.

An intimate portrait of the war against violent extremism, and the men and women devoting their lives to it. With unprecedented access to the U.S. Armed Forces, Chain of Command inhabits the rarely-glimpsed innermost sanctums of the Pentagon, the front lines of battlefields across the world, and even the cockpit of a fighter jet on a mission.

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A documentary news series with a taboo-breaking team who deliver incredible news stories from around the world.