Hang Son Doong is in Phong Nha-Ke Bang National Park in Vietnam, near the border with Laos and is the world's largest natural ...

The limestone cavern sits beneath a lush jungle in Vietnam's Phong Nha-Ke Bang National Park and hosts primeval forests that ...

This story appears in the June 2019 issue of National ... of Hang Son Doong stood the Great Wall of Vietnam, a 200-foot barrier to be conquered by both ladder and rope climbing. In a cave there ...

At the time of the Limberts’ discovery of Hang Son Doong, the largest passage was thought to be Deer Cave in Malaysian Borneo’s Gunung Mulu National Park, which was recently surveyed at 1.2 ...

Take an otherworldly journey through Hang Son Doong, the world's largest cave located in Vietnam. The cave is more than 500 feet tall, 650 feet wide, and 29,500 feet long. Video courtesy of Ryan ...

Son Doong, the world's largest cave in central Vietnam, ranks among the world's most surreal destinations, according to U.K.

The Extremes crew had trekked for two days through steep valleys covered in lush jungle to reach Hang son Doong cave. Set deep inside Phong Nha-Ke Bang National Park, it is one of dozens of caves ...

At the time, experts noted the cave might be even larger than currently measured, as many sections remain unexplored. In addition to Son Doong, Wanderlust’s list features other otherworldly ...