Courtesy of photojournalist Martin Edstrom. You'll want to view this in your phone! Open the link and stand up!
http://news.nationalgeographic.com/2...-conservation/
The cave was discovered in 1990, but not fully explored until 2009. It houses its own weather system and two separate forests.
I'd love to see more interactive experiences like this one. It can't compare to being there, but it's amazing to view nonetheless.