On February 2, 1959, one of the strangest mysteries of the Ural Mountains occurred. On that night, something caused nine experienced cross country skiers to die. The evidence surrounding their deaths was baffling, and some would say bordering on the paranormal. Investigators determined that the group died of hypothermia and an "unknown compelling force". The case file was classified Top Secret and visitors were barred from the area for the next 3 years.

The skiers were students from the Ural Polytechnic Institute and were intending to engage in…