Overview: Scott Wolter travels to Shippensburg, Pennsylvania, to check out a mysterious cave that may have been a stop on the Underground Railroad.
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First Air Date: Dec 21, 2012Last Air date: Jul 30, 2019Season: 4 SeasonEpisode: 49 EpisodeRuntime: 43 minutesQuality: HDIMDb: 5.10 / 10 by 9 usersPopularity: 4.006Language: English