Illinois‘s Underground


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Location: Chicago Illinois
Functions: Unknown
Levels: Unknown
Tunnels to: Unknown
Notes:  Allegations that the Bahai Temple near Chicago, which has foundation “pillars” reaching hundreds of feet to the bedrock below, contains an entrance to an underground system deep below which connects to other underground systems.
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Location: Gallatin County Illinois
Functions: Unknown
Levels: Unknown
Tunnels to: Unknown
Notes:   The reported discovery of a great cavern with large underground chambers in Gallatin County, Illinois
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Location: Monroe County Illinois
Functions: Unknown
Levels: Unknown
Tunnels to: Unknown
Notes:   A very LARGE cavern discovered in the area.
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Location: Illinois
Functions: Unknown
Levels: Unknown
Tunnels to: Unknown
Notes:  
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Related:  Oklahoma's Underground

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