In an Andalusian warehouse, police found a collection of Nazi memorabilia beside 22 AK-47s.

Together with his depraved girlfriend Carol Bundy, Douglas Clark terrorized sex workers along the Strip, murdering them and then defiling their lifeless bodies.

On December 12, 1910, Dorothy Arnold disappeared from New York City’s Fifth Avenue while dress shopping. Her maddening case has never been solved.

"It's a crazy story. I couldn't believe it. I never thought that a judge would declare someone dead without a certificate."

Legend has it that a brutal lynching and a series of Satanic rituals transformed Goatman’s Bridge in rural Texas into a paranormal hotspot.

The "Vasa" ship was supposed to be a feat of engineering in 1628. But then, it buckled under its own weight and sank to the bottom of the Stockholm Harbor.

After a botched circumcision in infancy left David Reimer’s penis irreparably damaged, his parents consented to raise him as a girl instead.

In the 1920s and '30s, Alice Frank Stock lived on the same block in Munich as Adolf Hitler while he was rising to power.

A woman in the small village of Whiteparish used the slab for nearly a decade as a step-mount for her horse before she saw its inscription hiding beneath a layer of mud.

According to the Bible, John the Baptist was executed during Herod Antipas' birthday party at the behest of his future stepdaughter.

Believed to have inspired "The Great Gatsby," Oheka Castle was one of the most opulent party mansions on Long Island in the 1920s. Today, it's a historic hotel — and a popular filming location.