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.

Cahokia Mounds are the remains of the largest North American city which included 120 earthen mounds built by Mississippians between 800-1200 CE in Illinois.

The lives of the Broadduses became a nightmare when The Watcher sent them terrifying letters after they bought their home in Westfield, NJ.

What’s the truth about the Kaimanawa wall in New Zealand? Is it really 2000 years old and does it prove that a mysterious group arrived before the Maori?