The Crypto Files investigates claims of paranormal activity at Portal 31 in Lynch Kentucky. The Third film in the Crypto Files Series. Deep in the mountains of Harlan county, Kentucky is a tourist attraction unlike any other. Portal 31 located in Lynch, Kentucky is an underground tour that is more than a trip back into a coal mine, it is a step back in time itself. The Crypto Files is here to learn more about the history of portal 31, the life of the workers during operations and to investigate claims of paranormal activity. Are the spirits of the miners still lurking around? Join us as we try to find out!