A haunted lighthouse on Lake Michigan, a town where everyone seems to have vanished all at once, and a secret complex of tunnels beneath London are deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.
Cast Appearances
Episode Discussion
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Retitled, this episode re-aired as "The Mummified City" on 3/15/2019 at 2000 with a summary of "New discoveries reveal why the world's most ambitious engineering projects were abandoned, unraveling the dark mysteries and bloody secrets of these strange ruins."
Retitled, this episode re-aired as "Curse of the Great Lakes" on 2/8/2019 at 2300 with a summary of "New discoveries reveal why the world's most ambitious engineering projects were abandoned, unraveling the dark mysteries and bloody secrets of these strange ruins."