Vietnam's Son Doong cave is so large, you could squeeze 15 Great Pyramids of Giza inside it and fly a Boeing 747 airplane through some of its passages.

Thanks to discoveries made during a recent expedition, the world’s largest cave, Vietnam’s Son Doong, appears to be even bigger than previously thought. Find out how much larger we now think ...

Hiking through the tiny village of Doong in central Vietnam’s Phong Nha-Ke Bang National Park. Photo by Michael Tatarski for Mongabay. Entering Hang En is an exhilarating experience.

The Son Doong Cave, located in the Quang Binh province in the rugged Phong Nha-Ke Bang National Park near the border of Laos, is being touted as the largest cave in the world, though that is ...

American photographer Ryan Deboodt says he filmed Hang Son Doong on his third visit. The world's largest cave features a river and huge "skylights" that have allowed trees and wildlife to flourish.

Hang Son Doong, located in Vietnam’s Phong Nha-Ke Bang National Park, is the world’s largest known cave, with vast passages so immense that a Boeing 747 could fly through them.

Hang Son Doong is in Phong Nha-Ke Bang National Park in Vietnam, near the border with Laos and is the world's largest natural cave.