There are longer caves than Hang Son Doong—the Mammoth Cave system in Kentucky, with 367 total miles, holds that record. There are deeper caves too—Krubera-Voronja, the “crow’s cave ...

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 ...

It was found during a state-level project to research biodiversity in the Son Doong Cave system for conservation and sustainable development, implemented by the Vietnam Museum of Nature under the ...

The Waitomo Caves are a system of caves south of Auckland on ... the effect has become a popular one for tourist photos. Hang son Doong cave is so large, it is said that a passenger jet could ...

This marks the first time the firm has assisted a classical music artist in performing and filming a video inside Sơn Đoòng Cave. Notably, the arrangement for cello was created by the late composer's ...

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 ...