From the mid-1950s to the late 1990s, David Parker Ray kidnapped dozens of women in New Mexico — and brutalized them in his "Toy Box" torture chamber.

Over his 38-year reign, King Henry VIII wed Catherine of Aragon, Anne Boleyn, Jane Seymour, Anne of Cleves, and Catherine Howard — and had two of them beheaded for adultery.

A half-goat demon said to be the son of the Norse god of the underworld, Krampus punishes naughty children at Christmastime — and drags some to hell.

From its haunting passageways to its creepy "torture museum," Bran Castle is the stuff of horror legends.

In the folklore of Plains and First Nations people, the wendigo was once a legendary hunter who turned to cannibalism — and became an insatiable monster.

Though historians know that Greek fire was a devastating incendiary weapon used by the Byzantines starting in the 7th century C.E., its recipe remains mysterious to this day.

Battling racism, sexism, and homophobia in Jim Crow America, Gertrude "Ma" Rainey emerged as one of the most popular singers of the 1920s.

Once the highest-paid screenwriter in Hollywood, Herman Mankiewicz co-wrote "Citizen Kane" with Orson Welles before succumbing to alcoholism in 1953.

The Godfather of the Guadalajara Cartel, Miguel Ángel Félix Gallardo spent 18 years growing his empire. But the brutal murder of an undercover DEA agent who infiltrated his cartel would be his downfall.

This Bob Ross biography reveals the remarkable story of the Air Force Master Sergeant who would go on to teach millions the joy of painting.

From Ted Bundy to John Wayne Gacy, John E. Douglas has interviewed just about every serial killer in recent history. Here's how he learned what made them tick.