Experience an authentic jungle expedition! On this tour we will take you to the heart of the Riviera Maya on an adventure that will allow you to tour the jungle and a cave by bike, explore a series of enigmatic caverns on foot, swim and snorkel in a crystal clear underground river. Get to know the wild side of the Caribbean jungle in this exciting Secret River experience!A journey through a glass museum, whose formations tell the geological history of the earth, and certainly a magical experience that will transform your life.With its millennial voice, this site has told enigmatic incredible and beautiful stories. Its walls and formations are like a huge geological library with thousands of stalactites and stalagmites. Their secrets are yet to be discovered and come to light.