Anthropologists initially declared that the skull, called 'Greta,' was 10,000 years old, but radiocarbon dating shows that it actually came from a woman who died between 1041 and 1163.

Between 1990 and 1995, Keith Hunter Jesperson killed at least eight women and sent letters to newspapers detailing his crimes — all of which he signed with a happy face.

From Indigenous territories in pre-colonial America to the height of the Nazi regime, these maps explain history better than any textbook.

Archeologists say that the amphitheater in Richborough, Kent, could hold up to 5,000 spectators who cheered on charging gladiators and roaring wild animals in epic fights.

From the vengeful spirits of drowned babies to man-eating supernatural otters, these ancient tales are sure to terrify.

Danyal Hussein murdered sisters Nicole Smallman and Bibaa Henry on June 7, 2020 as part of an imagined pact with a demon that he thought would bring him lottery winnings.

From the sites of the real 'Amityville Horror' and 'The Conjuring' to the White House itself, these are the most haunted houses in America.

The defunct Alburquerque Indian School ran from 1881 until the 1980s and its grounds may hold 75 - 100 bodies.

On November 24, 1971, a man known as D.B. Cooper hijacked a plane headed from Portland to Seattle, collected an enormous ransom, and then simply vanished into thin air.

The children, ages 15, 10, and seven, had been left alone in their Houston apartment for an "extended period of time."