Valentina Vassilyev holds the world record for "Most Prolific Mother" as she allegedly gave birth 27 times to 69 children between 1725 and 1765.

In November 1984, 17-year-old Lisa McVey was kidnapped by Bobby Joe Long. After surviving 26 hours of being raped and brutalized, she escaped and led police straight to him.

He played a pivotal role in the invention of the modern lightbulb and telephone, and he was the only Black member of Thomas Edison's elite research team. But who was Lewis Latimer?

For centuries, the Jivaroan people of South America severed and shrank the heads of their enemies for rituals and trophies — and later for trade.

Born around 1475 as Pope Alexander VI's illegitimate son, Cesare Borgia was a notorious noble, cardinal, and soldier who died brutally in 1507.

A catastrophic collapse of coal waste, the Aberfan disaster engulfed a small Welsh town in 1966, killing 116 children and 28 adults.

After the Munich Massacre of 1972, Israel's intelligence agency Mossad launched a top-secret assassination campaign against the militants involved — but it all unraveled when they killed an innocent man.

When a Confederate colonel called John Clem a "damned little Yankee devil" and demanded his surrender at the Battle of Chickamauga, John shot him — and became the youngest noncommissioned officer in U.S. Army history.

In December 1900, the keepers of the Flannan Isles Lighthouse off the northwest coast of Scotland mysteriously disappeared — and to this day, no one knows what happened.

Step inside Marilyn Monroe's house, the Spanish Colonial at 12305 Fifth Helena Drive in Brentwood, California where she spent her last days before dying in 1962.

Starting in the late 1970s, the anonymous Circleville letters were sent to hundreds of residents, local businesses, government offices, and others, threatening to reveal the recipients' darkest secrets — or worse.