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On The Trail: Mammoth Cave National Park

Name: On The Trail: Mammoth Cave National Park
Uploaded: 2016-02-21T11:56:54-0500
Duration: 4 min 34 s
Description: Conor Knighton continues a year-long celebration of National Park Service's 100th birthday with a trip underground, to Mammoth Cave National Park, Kentucky's massive cave system with an unusual history.

Conor Knighton continues a year-long celebration of National Park Service's 100th birthday with a trip underground, to Mammoth Cave National Park, Kentucky's massive cave system with an unusual history.