Between April 11 and April 12, 1981, Glenna "Sue" Sharp and three others were brutally killed in the resort town of Keddie, California. To this day, the murders remain unsolved.

In 1975, Martha Moxley was found in her own backyard with a golf club sticking out of her neck. A pair of Kennedy nephews were the prime suspects — but their guilt remains hotly debated to this day.

These pictures of Princess Diana at the palace, at the water park, and in the field show why she was hailed as "the People's Princess."

Dr. John Harvey Kellogg used a host of bizarre methods to prevent masturbation and cleanse his patients’ colons at the Battle Creek Sanitarium in the late 1800s and early 1900s.

Forced into sex work as a teenager, Cyntoia Brown was convicted of killing Johnny Michael Allen in 2004 and sentenced to life in prison. But in 2019, she was suddenly released.

Researchers dated a set of animal bones found in Coxcatlán Cave to around 30,000 years ago — completely upending previous estimates of when humans first arrived in the Americas.

Though it's covered in a layer of downy fuzz, the "hairs" of the gympie-gympie plant deliver a sting so toxic that the pain can last for years.

Though the takin can weigh up to 770 pounds and sport an unmistakable golden coat, this mysterious beast has remained largely out of human sight for centuries.

The map was generated using data collected by the Gaia telescope, located 930,000 miles from Earth.

In 1821, Gregor MacGregor made a fortune off of European elites by selling them shares in his fake utopia — then got off scot-free.

As a double agent for the British, Juan Pujol García used his espionage skills to help orchestrate the Nazis' downfall on D-Day.