Elisabeth Fritzl spent over two decades confined to a dirt-walled cellar while being tortured at the hands of her father, Josef Fritzl.

Between 1944 and 1949, British serial killer John George Haigh murdered at least six people, destroyed their remains in acid, and stole their assets.

Known for both eating his own feces and mutilating himself on stage, GG Allin was perhaps the most shocking musician in history — until his dramatic death at just 36 in June 1993.

Ted Bundy's mom defended him to the bitter end, saying "You'll always be my precious son" just before his execution in 1989.

Though police only connected him to three murders, Joseph Roy Metheny claimed to have slaughtered a total of 13 victims, some of whom he allegedly turned into patties that he sold to unwitting customers on a Baltimore roadside.

Though many of history's tallest people have suffered from gigantism or other debilitating conditions, that wasn't the case for Angus MacAskill — who stood 7 feet, 9 inches and boasted extraordinary feats of strength.

Made from the sperm sacs of male fish, shirako is a Japanese delicacy that can be consumed raw, fried in tempura batter, rolled into sushi, and more.

Gunned down in Medellín on December 2, 1993, "The King of Cocaine" allegedly was shot to death by Colombian police. But who really killed Pablo Escobar?

In March 1876, raw meat rained down on a Kentucky farm, covering an area the size of a football field and sparking debate about what could have caused the grisly phenomenon.

In the real story that inspired The Conjuring, the Perron family was allegedly terrorized by malevolent spirits after moving into a farmhouse in Harrisville, Rhode Island in 1971.