Thousands of unexplained disappearances in the wilderness are shrouded in mysterious circumstances. These are the Missing 411 cases.

A monumental discovery of a painted tomb, T.9890, in Pontecagnano, Italy, occurred in 2017. It contained three bodies and dates to the third century BCE.

Sir Arthur Conan Doyle published The Hound of the Baskervilles in 1901. A hundred years later, he was accused of murdering the true originator of the story.

The Dyatlov Pass Incident involves nine students who died mysteriously in the Ural mountains during a cross-country ski tour.

Stories of otherworldly or frightening experiences recently surfaced about people getting too close or climbing isolated stairs in the woods.

For decades, people noticed that boulders mysteriously moved across Racetrack Playa. Now scientists know the cause of these Sailing Stones.

H.H. Holmes loved money and he loved killing. Read about how the evil man combined the two and became one of America’s worst serial killers of all time.

A mysterious 2,700-year-old Etruscan Pyramid of Bomarzo, or the Stone of the Preacher, was possibly used in ritual pagan ceremonies involving sacrifices.