USA - Gap Cave ( Cudjo’s Cave ) - KENTUCKY/VIRGINIA ....

USA -  Gap Cave ( Cudjo’s Cave )

https://www.nps.gov/cuga/guidedtours.htm
http://www.mtnlaurel.com/the-ghost-of-cudjo-s-cave.html
http://outpostusa.org/Cumberland%20Gap.html
http://www.thecryptocrew.com/2014/05/mysteries-of-cudjos-caverns.html
https://www.youtube.com/watch?v=wPqHneHSKY4
https://www.youtube.com/watch?v=jCQT72yKVYY