An elevator lowers you into the world of Carlsbad Cavern, the big cave at Carlsbad Caverns National Park.
VOA: special.2011.04.11
The authors of the book "Carlsbad Cavern: The Early Years" say Jim White took the job for the chance to keep exploring the cave.
VOA: special.2009.12.07
Then,toward morning, they return to the bat cave within Carlsbad Cavern.
VOA: special.2009.12.07
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