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Mammoth Cave Reimagined As A Subway System

By Kentucky For Kentucky |

Mammoth Cave Reimagined As A Subway System

Kentucky is home to the longest cave system in the world – Mammoth Cave (aka Mammoth-Flint Ridge Cave System). Like the Commonwealth of Kentucky, Mammoth Cave is epic and awesome. It's considered one of the
seven natural wonders of North America. To give you an idea of it's size, back in the 1960's Colonel Sanders …