Dr. Sebi sold vegan diets and "cell food" to some of the world's biggest celebrities — and even claimed that he found a cure for AIDS.

Miyuki Ishikawa may have thought she was acting out of mercy when she killed over 100 babies — but she nevertheless might be history's deadliest female serial killer.

On September 18, 1973, Georgia Governor Jimmy Carter filed a report with the National Investigations Committee on Aerial Phenomena claiming he’d seen a UFO four years earlier.

Known for excluding Black people and other minorities, sundown towns are historically all-white communities in the United States with extremely troubling pasts.

In 1929, a mass poisoning plot was uncovered in a rural Hungarian town that saw 40 people murdered — and 34 women implicated as the so-called Angel Makers of Nagyrév.

Giuseppe "Pino" Greco killed up to 300 victims on behalf of the powerful Corleonesi clan during the Sicilian Mafia war of the late 1970s.

From 1998 and 2004, the Beasts of Satan were a heavy metal collective and satanic cult whose members were convicted of killing two teenagers and burying a 27-year-old woman alive.

During the 1721 smallpox outbreak in Boston, a slave named Onesimus taught his master an early version of inoculation — and saved hundreds of people.

A persona created by vaudevillian Lincoln Perry in the 1920s, Stepin Fetchit made Perry rich — but also angered many Black Americans due to his embracing of racial stereotypes.

From educators and artists to debutantes and philanthropists, these "Black Victorias" made a name for themselves in both England and the United States.