When a real-life doomsday cult built a cave in Philadelphia

The (mostly) true ghost story of a dank cave and an earnest monk who brought the nation's first doomsday cult right here to Philadelphia.

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Just in time for Halloween, we bring you the (mostly) true ghost story of a dank cave and an earnest monk who brought the nation’s first doomsday cult to Philadelphia. Join The Why’s Shai-Ben Yaacov and Kelsey Hanson on a journey through Wissahickon Park to the Cave of Kelpius.

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