Two of the Soviet Union's greatest climbers die in a mysterious "accident." But was it really just a simple gas leak?

Does a mysterious grey-haired cryptid haunt the peaks and the highest mountains in the UK? We're on his trail!

2013, an artist in Hong Kong discovers a mysterious mineral for sale in a market. The story that unfolds involves a daring Italian Geologist, a violent civil war, Aliens and Gods.

There are two cities named Centralia in the United States, located on opposite sides of the country, both are the sites of horrible tragedies that may have been the result of conspiracies. Today we explore both strange tales and their horrific outcomes.

This week we're revisiting an older more obscure episode about a French nanny who's charges just kept-um-well... becoming dead.

This is the second part of a two-parter, you haven't already listened to part one make sure you do so!

As the development of the atomic bomb at Los Alamos reached a fever pitch a lonely communist doctor took her own life in San Fransisco. What do these two events have to do with one another? Well, it just so happened that the deceased woman was J Robert Oppenheimer's secret paramour. But did she really take her own life? Or was it the work of the agents following her?

This week on the Shocking Details—20th century discoveries of ancient underground complexes and cities have left mysteries in their wake—who created these amazing structures? And how did they do it? And why? Joe and Vincent don their Indiana Jones hats and plunge into the abyss to find out!

Artist Lea Polvani was abducted right in front of her apartment. Four days later she was found murdered in a cave. Almost 40 years later the crime remains one of Italy's most baffling cold cases.

May 2003: a Boeing 727 took off on an unauthorized departure from Luanda Airport in Angola—without a pilot or crew aboard, as far as anyone knows—and hasn’t been seen since, though the CIA, FBI and other intelligence services turned over many rocks trying to find it. What happened to Plane #844AA, the Vanishing Airliner?