It's a complex of three caves with whimsical rock formations, some of them resembling columns, and the most famous one is a formation that resembles a pterodactyl on the ceiling. 

To reach the cave, you'll have to walk or bike while learning more about the beautiful flora and fauna of the region.

To get there, it's advisable to contact the local guides who will take you on a approximately three-hour tour along a dry stream, and you'll also have to navigate slippery slabs of rock and some remnants of water.