On a pig farm in La Porte, Indiana, Belle Gunness killed two of her husbands, a handful of single men, and several of her own children before mysteriously disappearing in 1908.

In the early 1980s, Griselda "La Madrina" Blanco was one of the most feared drug lords of the Miami underworld.

The full story of how James Bulger killers Robert Thompson and Jon Venables led their two-year-old victim past dozens of witnesses on a grim path to his chilling death.

Before Ringo Starr, the Beatles toured with drummer Pete Best, but differences led to his ousting just before the band reached worldwide success.

On December 16, 1985, John Gotti organized a ruthless hit on Gambino crime boss Paul Castellano outside Sparks Steak House in New York City. It was a murder that would change the Mafia forever.

Since being discovered in 1926, the Nazca Lines have inspired countless theories about their origin. Are they extraterrestrial, a message from ancient civilizations, or something more sinister?

A gentleman gunslinger who could quote Shakespeare, Johnny Ringo was a mythic gunslinger who died a mysterious death befitting his legend.

Between 1830 and 1850, the U.S. government forced the Cherokee, the Choctaw, and other tribes off their ancestral lands with deadly force in what's become known as the Trail of Tears.

The costume of a plague doctor featured an all-leather ensemble, a beak-like mask stuffed with burning herbs, and a top hat — which signaled that the person was, in fact, a doctor.

Fred Rogers, known as Mister Rogers, originally planned to become a Presbyterian minister. But he realized his true calling was teaching children how to love each other — and themselves.

Bobby Fischer had one of the greatest minds the world of chess had ever seen. Only one thing could keep him from holding onto the title of World Champion: himself.