- Geology of the Colossal Cave (brighthub.com)
- World’s Biggest Cave Featured On National Geographic Show (weirdasianews.com)
Image via Wikipedia
Caving—also known as spelunking in the United States and occasionally potholing in the United Kingdom—is the recreational sport of exploring wild (generally non-commercial) cave systems. In contrast, speleology is the scientific study of caves and the cave environment.
WHATEVER IT IS CALLED, I AM NOT DOING IT - unless it is already well developed like in Carlsbad Caverns, New Mexico. That is fun.