World’s Largest Cave- Son Doong Cave, Vietnam. This picture is not edited in any way. It is taken inside the “Son Doong Cave”- Earth’s largest cave known in existence. The cave is more than 200 meters high, 150 meters wide and reaches over 5 kilometers.
Explore the ancient caves of Hang Son Doong, Vietnam. Hang Son Doong is one of the largest caves in the world and features a fast-flowing underground river. For spelunkers, exploring Hang Son Doong is the equivalent of scaling Mount Everest.