Routinely performing surgery under the influence of cocaine and LSD, Dr. Christopher Duntsch severely injured most of his patients — and in two cases, killed them.

Starting in November 1945, Allied forces presided over the Nuremberg trials in hopes of bringing high-ranking Nazis to justice — but millions of perpetrators evaded their grasp.

Discover the most courageous women warriors and queens throughout history, whether it's Cleopatra, Lozen, or Tomoe Gozen.

These killers are either dead, incarcerated, or disappeared — though it won't really matter. You'll still want to lock your doors after reading this.

From European castles to abandoned prisons, the ghostly spirits and disembodied voices of these haunted places will chill you to the bone.

Emmett Till was just 14 years old when he was kidnapped, beaten beyond recognition, shot, and thrown into a Mississippi river. But his brutal death was not in vain.

The anti-Jewish pogrom of November 1938 known as the "Night of Broken Glass" foreshadowed the Holocaust and the deaths of some 6 million European Jews.

Hindu extremist Nathuram Godse, the man who killed Gandhi, remains a controversial figure in India to this day — here's why.

The internet is crawling with funny animal photos, but these finalists in the 2018 Comedy Wildlife Photography Awards are some of Mother Nature's best.

See why the Pearl Harbor attack carried out by the Japanese against the U.S. in Hawaii on Dec. 7, 1941 was a "date which will live in infamy."

These colorized versions of vintage black-and-white crime scene photos reveal a unique perspective on the murders, mobsters, and mayhem of decades past.