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

The Extremes crew had trekked for two days through steep valleys covered in lush jungle to reach Hang son Doong ... underground. A generator and makeshift ‘office’ on the rocky floor of the ...

For cavers like the Limberts, discovering a cave as big as Hang Son Doong is like finding a previously unknown Mount Everest underground. “We’ve just scratched the surface here,” Howard says ...

The group spent four days wading through hip-high waters before traversing through and camping in soaring caves. At the end of Hang Son Doong stood the Great Wall of Vietnam, a 200-foot barrier 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 ...

For some unusual sights, try these 7 underground tourist attractions ... it gets chilly down there. Hang Son Doong, in Vietnam, is now recognised as the largest cave in the world, but when local ...

HANOI (Bernama-VNA): Vietnamese scientists have discovered a new snail species in Son Doong Cave within the Phong Nha - Ke Bang National Park in the central province of Quang Binh, and named it ...

HANOI, Jan 15 (Bernama-VNA) -- Vietnamese scientists have discovered a new snail species in Son Doong Cave within the Phong Nha - Ke Bang National Park in the central province of Quang Binh, and named ...