The region is home to a spectrum of otters (rai), giving it the name "Hang Rai", or otter cave. Hang Rai features the largest ancient coral reef in Vietnam, only two to four meters deep, and easily ...

It sounds like a fairytale, but this isn't a realm of fantasy. This is Hang Son Doong in Vietnam, the world's largest cave ...

A jungle inside a cave? A roof collapse long ago in Hang Son Doong let in light; plants thickly followed. As “Sweeny” Sewell climbs to the surface, hikers struggle through the wryly named ...

Thanks to discoveries made during a recent expedition in Vietnam, it appears the world’s largest cave, Son Doong, is even bigger than previously thought. Last month, a trio of British divers ...

The world’s largest cave is over five miles long - so big that even a Boeing 747 could fit inside it. Hang Son Doong is in Phong Nha-Ke Bang National Park in Vietnam, near the border with Laos ...

The UK's Daily Mail has cited Vietnam’s Hang En Cave as the third largest cave in the world which has its own climate as well as a river and jungle. The UK's Daily Mail has cited Vietnam’s Hang En ...