After Henrietta Lacks died of cervical cancer in 1951, doctors at Johns Hopkins cultured her cells for use in medical research — without her permission.

The massive coelacanth was thought to have died off over 60-million-years ago, but its 1938 discovery in South Africa shocked the scientific world.

Iron Eyes Cody quickly became Hollywood's go-to actor for Native American roles, but America's noble "Indian" was of Sicilian descent.

The Wounded Knee Massacre in 1890 was one of the most notorious episodes of violence by the United States government against Native Americans.

The Nazis may have killed 14-year-old Czeslawa Kwoka at Auschwitz. But they couldn't extinguish the haunting power of the photo they took of her before she died.

Marine paratrooper and Pima tribesman Ira Hamilton Hayes was immortalized in the photo of the U.S. flag being raised over Mount Suribachi during the Battle of Iwo Jima.

The Sand Creek Massacre of 1864 saw John Chivington and his 675 men slaughter hundreds of Cheyenne and Arapaho in present-day Colorado.

Was Empress of Iran Farah Pahlavi the Marie Antoinette of her day or a forward-thinking leader unappreciated in her own time?

Blissfully unable to even understand the concept of dying, Joe Arridy was described by his prison warden as "the happiest man who ever lived on death row."

These Salem witch trials facts will surprise even the history buffs and prove that these events didn't happen how you think.

Though Anastasia is more widely remembered, here's why Maria Romanov remains the most captivating daughter of Tsar Nicholas II.