The words "Could only have been painted by a madman" were written atop the paint in pencil near the corner of the frame.

"I split the belly of the mother shark and found three pups in the stomach. Two were like the mother and this one looked like it had a human face."

The Dzerzhinskoye Orgsteklo factory has been closed for six years and blue dogs have been seen roaming the area almost ever since.

According to researchers, the earliest version of Stonehenge was built in southwest Wales over 5,000 years ago.

Researchers believe that one of the Whydah skeletons might belong to the legendary pirate Samuel "Black Sam" Bellamy.

After the hikers heard about the group that died there 60 years ago and were left with eyes and tongues missing, they decided that they wanted to make the trek there too.

Wilmer McLean moved his family 100 miles south after the first battle of the Civil War broke out in his yard — but through a strange twist of fate, Robert E. Lee signed his surrender to Ulysses S. Grant in McLean's new parlor.

On March 26, 1964, Malcolm X and Martin Luther King Jr. met on Capitol Hill and discussed working together in the future — but within a year, one of them was dead.

From 1938 to 1939, Swiss border commander Paul Grüninger falsified 3,600 Jewish refugees' passports, helping them escape the Holocaust.

On November 24, 1971, a man who called himself Dan Cooper booked a one-way plane ticket from Portland to Seattle. Over the course of a few hours, he hijacked the plane, collected a ransom, and vanished into thin air.

On December 8, 1980, a young man named Mark David Chapman asked John Lennon for his autograph in New York. Hours later, he fired four hollow-point bullets into Lennon's back — killing him almost instantly.