Paul Avery was a top reporter for the San Francisco Chronicle reporting on the infamous Zodiac killings. But after making a break in the case, the killer took to tormenting him with letters and cards.

In the early 14th century, Robert the Bruce became the King of Scots and ensured his country's independence after repulsing several English invasions.

From Kenny the tiger to Otto the kitten, you've probably seen content about animals with Down syndrome. But what's the truth about their conditions?

Known as Snake Island, the viper-infested Ilha da Queimada Grande sits in the Atlantic Ocean about 90 miles off the coast of southeastern Brazil.

Jim Hutton and Freddie Mercury enjoyed seven love-filled years together before the latter died of AIDS-related complications on November 24, 1991.

The first African man to become a samurai, Yasuke certainly made a mark on feudal Japan — though much about his life remains a mystery.

In 1828, Kaspar Hauser emerged from the woods outside Nuremberg, claiming to have grown up in a tiny, dark cell. But centuries later, it’s still not clear who he was or where he came from.

Long before he was Scotty on Star Trek, World War II hero James "Jimmy" Doohan was known as the "craziest pilot in the Canadian air force."

At more than 1,000 miles from civilization in all directions, Point Nemo is unlike any other place in the world.

James Dean's brief yet iconic time in the spotlight came to an abrupt end when he died in a tragic car accident on September 30, 1955 — and the details of his death remain both perplexing and disturbing to this day.