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.

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 early 20th century.

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

Though most social media challenges are lighthearted, others have caused serious injuries, poisonings, and even deaths.

For centuries, locals have reported seeing a strange apelike beast called the orang pendek stalking the remote forests of Indonesia — and some believe it’s related to a species of early human called Homo floresiensis.

Made up of moss and lichen, this biocrust has proven critical in protecting large sections of the Great Wall from the destructive forces of wind and rain.

From a millionaire's murderous plot to a mummy's curse, discover some of the wildest theories about the Titanic and its ill-fated voyage.

The Perseverance rover collected samples that may indicate there was once microbial life on Mars from a crater that held a massive lake billions of years ago.