When Alfred Watkins first put forth the idea that straight lines connect landmarks across Britain in 1921, he didn't believe that these pathways had any mystical significance — then subsequent theorists transformed ley lines into something paranormal.

Presented as a means for assessing whether voters were educated enough to vote, literacy tests and other methods were designed for a single purpose: to stop Black Americans from voting.

Candace Newmaker was supposed to be “reborn” through an alternative therapy treatment — but this disturbing session ultimately left the 10-year-old dead.

During the 1970s and '80s, John Holmes took Hollywood by storm as one of the most popular adult film performers of the era — until it all came crashing down.

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

On September 29, 1982, 12-year-old Mary Kellerman of Chicago died after taking Extra-Strength Tylenol laced with cyanide — and six other victims soon followed.

In April 2003, mountaineer Aron Ralston spent 127 hours pinned by a boulder in Utah's Bluejohn Canyon — until he amputated his own arm and escaped.

Going all the way back to 1952, Doris Payne has spent more than two-thirds of her life stealing jewelry, and she's never shown any interest in slowing down.

The real Annabelle doll reportedly committed a series of attacks in the early 1970s before it was confined in the Occult Museum of Ed and Lorraine Warren in Connecticut.

In October of 1943, a U.S. Navy destroyer was supposedly turned invisible and teleported from Philadelphia to Norfolk. But did it really happen?

From 1969 to 1980, Colombian serial killer Pedro Lopez raped and murdered up to 300 children — and no one knows where he is today.