Vietnamese scientists have discovered a new snail species in Son Doong Cave within the Phong Nha - Ke Bang National Park in ...

Hang Son Doong is the world's largest known cave, with enough space in some of its passages to fly a Boeing 747 airplane ...

At the end 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’s no way to get a signal. There’s no way to ...

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 ...

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 ...

Scientists have discovered a new land snail species, Calybium plicatus, in the first sinkhole of Son Doong Cave, underscoring Vietnam’s extraordinary biodiversity. Specimen of the newly discovered ...

Son Doong Cave, located in the Phong Nha - Ke Bang forest in Quang Binh ... including 111 species in Vietnam's Red Data Book of Threatened Species, and 121 in the International Union for Conservation ...