In the early 1900s, Jean Libbera performed in sideshows with his brother Jacques, a parasitic twin who was attached to Jean at the chest and stomach.

Portlock, Alaska is rumored to be home to a Sasquatch-like beast known as the Nantiinaq that scared off the town's inhabitants in the 20th century.

"Child of Rage" Beth Thomas terrorized her younger brother and her adoptive parents — then experts uncovered the disturbing cause of her behavior.

Three days after Dennis Wilson checked out of rehab in December 1983, he drowned off the coast of California's Marina del Rey at the age of just 39.

Mitchelle Blair brutally tortured and murdered two of her children, then stored their bodies in her freezer for over two years while she and her remaining kids continued living in that very same house.

One of history's best-preserved "bog bodies," the Tollund Man was discovered with a noose around his neck, leading researchers to conclude he'd been a victim of human sacrifice.

After she was abandoned by her parents, Oxana Malaya lived with a pack of dogs for nearly five years — and picked up some dog-like behaviors during her time with them.

Dating back to the era of Roman Egypt, these mummy portraits show what the deceased looked like when they were alive in exquisite detail.

Tom Horn was a scout for the U.S. Army, a cowboy, a deputy sheriff, and a private detective for the Pinkerton Agency. But it was his final stint as a hired gun that would lead to his demise.

During the 1983 holiday season, people lined up in droves outside of toy stores to get their hands on a highly sought-after Cabbage Patch Kid — and the frantic hunt for the dolls soon devolved into violence.