From bathing in girls' blood to making homemade conjoined twins, these 10 famous psychopaths are some of the most terrifying people in the history of the world.

Denise Williams was arrested in 2018 and charged with murdering her husband, Mike Williams — almost two decades after Mike's death was chalked up to an alligator attack.

From battling the Dixie Mafia and the State Line Mob to avenging his wife's death, Buford Pusser left an astonishing mark on American history before dying in a mysterious car crash — but later evidence shows he may have killed his wife himself.

An unknown beast that led a deadly rampage through 1760s France? An unexplained explosion as powerful as 1,000 atomic bombs in Siberia? These little-known, interesting events bring history to life more than any textbook ever could.

Better known as Cynthia Plaster Caster, Cynthia Albritton made models of the erect penises of celebrities like Jimi Hendrix, Dead Kennedys lead singer Jello Biafra, and MC5 bandmembers Dennis Thompson and Wayne Kramer.

Greenland sharks can measure more than 20 feet long, swim less than two miles per hour, and live up to 500 years.

Confirmed in 2017 to be the oldest known fossils on Earth, these prehistoric bacteria from Western Australia are 3.5 billion years old. But some believe that there are even older fossils waiting to be discovered.

Because it's too dangerous to retrieve the hundreds of dead bodies on Mount Everest's icy slopes, most climbers remain right where they fell when they were trying to summit Earth's tallest peak.

The gloves, though not a matching set, are the first of their kind to ever be discovered.

The brain was boiled, dried, and preserved during the Bronze Age in present day western Turkey.