Winston and Clementine Churchill were married for 56 years, during which she supported her powerful husband through countless personal and political challenges.

Known as the "father of modern gynecology," J. Marion Sims pioneered multiple techniques and instruments — but his exploitation of enslaved women as test subjects in 1840s Alabama remains controversial to this day.

For decades, detectives have worked to solve the mystery of the lost Martin family, and while it's possible they simply veered off of a cliff during their drive, some suspect they were murdered.

Ellis Island Hospital operated between 1892 and 1951, treating some 275,000 newly arrived immigrants to the United States, but this historic facility sits abandoned today.

A popular British actor, Leslie Howard died after his plane was shot down by the Nazis in 1943 — and some believe that he was specifically targeted due to his alleged covert activities during World War II.

Babe Ruth died in 1948 after he'd been diagnosed with a rare type of cancer known as nasopharyngeal carcinoma.

On October 29, 1929, investors lost more than $25 billion during the Black Tuesday stock market crash that brought the Roaring Twenties to a screeching halt.

Frederick Fleet quickly raised the alarm after spotting an iceberg on the night of April 14, 1912, but it was too late for the Titanic to avoid a catastrophic collision.

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

The Jamestown Massacre took place in March 1622 and was led by Powhatan Native Americans who hoped to prevent the English colonists from settling permanently in Virginia.