It's falsely believed that Jayne Mansfield died when she was beheaded in a fatal June 1967 car accident, but the truth is even grislier — and much sadder.

Founded in Boston in 1765, the Sons of Liberty orchestrated many important moments during the American Revolution, including the Boston Tea Party and Paul Revere's famous ride.

On April 30, 1945, Adolf Hitler and his new bride Eva Braun swallowed cyanide capsules in his Berlin bunker. Then, the Nazi dictator shot himself to ensure his death.

In 1542, Marguerite de la Rocque was abandoned on the Isle of Demons near Newfoundland by her relative — but survived for two years on her own after her companions died.

Just the second Black astronaut to ever go to space, Ronald McNair died tragically on January 28, 1986 when the Space Shuttle Challenger exploded right after takeoff.

The second husband of actress Fanny Brice, Nicky Arnstein was a conman, a criminal, and one of the great loves of Brice's life.

Low oxygen levels, frigid temperatures, high winds, and frequent avalanches make Mount Everest's Death Zone one of the world's most lethal places.

The Britannic sank after it struck a German naval mine during World War I, and it took almost 60 years for its wreck to be located off the coast of Greece.

After they were stranded on the island of 'Ata in 1965, the Tongan castaways survived for more than a year by working together and dividing up responsibilities.

The inspiration for Bill Tench on Mindhunter, Robert Ressler interviewed dozens of murderers during his career with the FBI and came up with the very first serial killer profiles.