Researchers believe that engravings uncovered on the floor of the Ségognole 3 cave in France's École River Valley may represent the oldest 3D map in world history.

The bone was deposited into the quarry shaft between the late first century C.E. and early second century C.E., and it may have been linked to Roman fertility rituals.

Owen Vanessa Elliot, the only daughter of The Mamas & the Papas singer Cass Elliot, was just seven years old when her mother died. Since then, she has dedicated her life to uncovering the mysteries surrounding the singer’s life.

Aubrey Vanlandingham reportedly poisoned a six-month-old goat named Willie by force-feeding him pesticides because she thought his 15-year-old owner was a "cheater."

A child star turned dog breeder and trainer, Carl “Alfalfa” Switzer was fatally shot in 1959 at age 31 — over a dispute concerning a lost dog.

Nehorai Nir was visiting Jerusalem's historical Ein Karem neighborhood with his school when he spotted a "micro-mosaic" cross that may have been dropped by a Christian pilgrim nearly 200 years ago.

Plato wrote that orichalcum was used to adorn a temple in Atlantis, and ancient Romans made coins of this copper and zinc alloy, but this legendary metal seemingly vanished from the Earth over 1,000 years ago.

An Old West lawman, Morgan Earp was a participant in the infamous O.K. Corral shootout, and his assassination in 1882 marked a tragic moment in the violent conflict between the Earp family and their enemies in Tombstone, Arizona.

A former hairdresser, Maureen Starkey was married to Ringo Starr for 10 years before they divorced amid Starr's substance abuse — and Starkey's affair with George Harrison.

Albert Hofmann accidentally invented LSD in 1938 — and years later, he became the first person to intentionally trip on acid when he took 250 micrograms of LSD and biked home while experiencing the drug's full psychedelic effects.