During the Holocaust, a Jewish woman exposed up to 3,000 hiding Jews to the Gestapo to save her family. Even after the Nazis sent her parents and husband to Auschwitz anyway in 1943, she continued to work for the Gestapo until 1945.

A software company buried a US$1,000 prize deep in its License Agreement to see if anyone actually read them. It took 5 months and 3,000 sales for someone to ask about the prize.

Archaeologists estimate Stonehenge was home to 150 or more cremation burials from 3000 B.C. to 2300 B.C., and they’ve called it Britain’s biggest known cemetery of the time.