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 project has also created a comprehensive biodiversity database for the Son Doong cave system and surrounding areas, reinforcing the park's global significance not only in geological and scenic ...

Pham Hong Thai, Director of the park's Management Board, praised the research, noting that it provides crucial scientific contributions that will help the park manage and protect Son Doong Cave and ...

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 ...

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 ...

The Extremes crew had trekked for two days through steep valleys covered in lush jungle to reach Hang son Doong ... of life that has evolved to survive in the Extremes! Veteran cave explorer ...