Fred Noonan was flying with Amelia Earhart when they vanished over the Pacific Ocean in 1937 — and some think that their disappearance was his fault.

The first confirmed casualty of the September 11th attacks, Mychal Judge was killed inside the World Trade Center's North Tower due to falling debris from the collapsing South Tower.

The U.S. Army claims that LaVena Johnson died by suicide in July 2005, but her family believes that she was raped and murdered, and that the military concealed the truth.

The Armero tragedy occurred in November 1985, when the Nevado del Ruiz volcano erupted and buried the nearby town of Armero in devastating mudflows.

Two years after Jack the Ripper murdered and mutilated five women in London, Mary Pearcey was found guilty of an eerily similar crime.

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.