After making a name for herself as a professional wrestler, Mexican serial killer Juana Barraza murdered 16 elderly women and was sentenced to 759 years in prison.

Gambling genius and Chicago Outfit associate Frank Rosenthal made a fortune for the mob while running Las Vegas' Stardust casino in the 1970s.

When Willard Asylum closed in 1995 after 126 years of operation, staff members discovered hundreds of forgotten suitcases that told the stories of the patients who had died there.

Westley Allan Dodd estimated that he'd molested at least 175 children before he was hanged in 1993 for killing three boys in Vancouver, Washington.

Legend has it that Joaquín Murrieta and his band of outlaws terrorized California during the Gold Rush to avenge the Mexicans who were mistreated by American miners.

In 2001, Kathleen Peterson was found dead in a pool of blood at the bottom of the staircase in her home. Two years later, her husband Michael Peterson was convicted of her murder — but many believe he didn’t do it.

Beginning in 1978, Christian Gerhartsreiter took on numerous identities as he conned and killed his way into America's upper crust — then passed himself off as a distant relative of the Rockefeller family for 16 years.

Nikola Tesla hated the idea of war and designed his death ray in the hopes that he could completely eliminate warfare.

Made famous as the openly gay drug lord depicted in "Narcos," the real-life Hélmer "Pacho" Herrera took the Cali Cartel to unparalleled heights of power and wealth in the 1980s.

The makeshift town of Slab City in the Colorado Desert might not be glamorous, but over 1,000 nomads call it home during the winter.

Chinese foot binding was seen as a sign of sophistication and being upper-class. Women without bound feet had little chance of marrying into nobility.