History

Step inside hidden areas where history was steered in secret, from Churchill's wartime bunker, complete with a direct line to FDR concealed inside his private bathroom, to a Soviet weapons base in the desert exposed only by a daring U-2 spy mission.

From a dog's space voyage, to a harrowing story of Arctic survival, to various trips through time; journeys so extraordinary that they are truly unbelievable.

A look at whether time travel has already occurred, on purpose or by accident, and scientists who believe it is theoretically possible.

Throughout recorded history, many people have claimed to be able to see the future and can predict, or even influence, events they first witness in their mind's eye.

From strange afflictions to infections that ravage populations, it's frightening to think that one of us can contract dangerous and often deadly diseases.

Col. Flagg shows up at the 4077th again, convinced that Hawkeye is a Communist sympathizer.

A careless colonel increases the number of seriously wounded soldiers arriving at the compound.

Joe's flight is suspended; an unexpected injury; a risky cross-Canada journey to Turkey.

The Turkey waterbomber crew is rattled; a North Atlantic crossing; AJ gets married.

An avalanche risk forces a bombing mission above the Klondike Highway.

Joe's flight is suspended; an unexpected injury; a risky cross-Canada journey to Turkey.

The Turkey waterbomber crew is rattled; a North Atlantic crossing; AJ gets married.

The most notorious and murderous drug cartel kingpins in modern history.

In the 1990s, three violent cartels battled for control of the Mexican drug world; one brutally ambitious Narco, known as El Chapo, rose above the rest to create one unified cartel, and become the most powerful criminal in Mexico's history.

In the 1970s in Colombia, a petty thief rises to become the most powerful criminal in history, unleashing a bloody reign of terror to create the first global drug cartel and become the first billionaire kingpin of the 20th century.

While the Boston underworld was in chaos in the 1970s, Whitey Bulger schemed and killed his way through the ranks to become the most famous gangster in Boston history as well as the the subject of the longest manhunt in U.S. history.

In 1980s New York, two opposing factions of the American Mafia split the Gambino crime family down the middle; the old school and the new school struggle against one another; one murderous capo emerges as the Boss of Bosses.

In the 1990s, three violent cartels battled for control of the Mexican drug world; one brutally ambitious Narco, known as El Chapo, rose above the rest to create one unified cartel, and become the most powerful criminal in Mexico's history.

In the 1970s in Colombia, a petty thief rises to become the most powerful criminal in history, unleashing a bloody reign of terror to create the first global drug cartel and become the first billionaire kingpin of the 20th century.

While the Boston underworld was in chaos in the 1970s, Whitey Bulger schemed and killed his way through the ranks to become the most famous gangster in Boston history as well as the the subject of the longest manhunt in U.S. history.