Hang En, in Vietnam, is the world’s third largest cave and even has its own climate as well as a river and jungle.

Currently considered to be the 3rd largest cave in the world after Hang Son Doong and Deer Cave in Malaysia, Hang En is quickly becoming one of the most recognisable and impressive caverns on the planet. Deep in the Phong Nha-Ke Bang National Park, the two day, one night adventure has been said to have the biggest ‘wow’ factor in all of Vietnam.