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In 1936, Victor H. Green (1892-1960) published The Negro Motorist Green Book, a book that was both a travel guide and a survival manual, to help...

It's death on an unimaginable scale, when a majority of Earth's species quickly die out. It's called "mass extinction," and it's happened at least...

The story of Hitler’s final hours told by people who were there. This special features exclusive forgotten interviews, believed lost for 65...

In January 1942, the U.S. military created a new bomber command, the Eighth Air Force, and sent a small contingent of men overseas to loosen the...

The sinking of the RMS Titanic remains one of the most enduring and mysterious tragedies of the 20th century. For decades, investigators and amateurs...

Air Force One is a marvel of military engineering. For more than half a century, the presidential fleet of armed jumbo jets has served as a flying...

On July 16, 1969, hundreds of thousands of spectators and an army of reporters gathered at Cape Kennedy to witness one of the great spectacles of the...

Huddie Ledbetter was born into poverty, battled racism, and did time, but in spite of his early hardships, or perhaps because of them, he became one...

It's a condition known as "hypertrichosis" or "Ambras Syndrome," but in the 1500s it would transform one man into a national sensation and iconic...

On the harsh and unforgiving plains of central Namibia, Africa, a young honey badger named Grit has just left home to venture out in the great, wide...

"The World's Loneliest Elephant" Kaavan will finally experience freedom, thanks to his biggest champion, the one & only Cher. We'll follow Cher,...

Unlock the secrets of the most celebrated and prized gem in the world. Learn why the Hope Diamond has inspired superstition and passion since its...

Some of them move. Others make noise. One weighs in at 700 pounds. Collectively, they represent the future of contemporary craft. Go behind the...

The sinking of the Lusitania and the impact it had in determining the fate of World War I is widely known. But few know the stories of the passengers...

The iconic design of the Boeing 747 has endured for over 5 decades, but the end of production is looming. In this documentary special we follow the...

On the surface, they appear to be ordinary dogs, but these canines have a secret identity. They are the Pentagon's stealth warriors, with specialties...

From the desk on which Jefferson wrote the Declaration of Independence to Dorothy's ruby slippers, the National Museum of American History houses...

The most expensive and specialized airplane ever built, the B2 Stealth bomber carries a price tag of more than two billion dollars. Highly effective...

By mid-1945, Hitler is dead and the war has ended in Europe. Halfway around the world, however, the fighting is still going strong on a small island...

Cassius X puts a period of often-overlooked history into the spotlight – the period when Cassius Clay fought his way to achieving his lifelong...