Lechuguilla Cave is part of the Carlsbad Caverns Natural Park in New Mexico
Since it was discovered in 1986 over 120 miles of passageways have been mapped!
The cave is not open to the public.
Since it was discovered in 1986 over 120 miles of passageways have been mapped!
The cave is not open to the public.
(via Boing Boing)
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