From the Sentinelese to the Korowai, these uncontacted tribes know almost nothing of the world we take for granted.

In 2014, computer scientist and Google Executive Alan Eustace jumped from more than 135,000 feet above the Earth.

Through breeding, kidnapping, and even murder, the Nazis' Lebensborn program aimed at creating a super race of Germanized children.

Our parents used up all the cool and left us with none, as evidenced by these ridiculously cool vintage photos.

From murder or suicide, these disturbing live deaths stunned millions of unsuspecting viewers.

"It is impossible to put into words the intolerable pain that we suffered, which continued for many days after the experiments ceased."

See stunning portraits of the early 20th century immigrants that came through Ellis Island reimagined in full color.

The story of how Witold Pilecki volunteered to enter Auschwitz, exposed its horrors to the world, and then actually managed to escape.

Rarely-seen photos that'll upend your image of this genocidal dictator.

These six legendary Soviet and Russian snipers not only aided the Soviet's army but also changed the way militaries utilized long distance attacks.

We all enjoy our privacy, but some celebrities really enjoy it. These infamous recluses completely disappeared from the public eye.