Hang Son Doong is the world's largest known cave, with enough space in some of its passages to fly a Boeing 747 airplane through them. The limestone cavern sits beneath a lush jungle in Vietnam's ...

Deep in the jungle of central Vietnam lies an underground kingdom. Hang Son Doong, which translates as ‘mountain river cave’ is the largest cave passage in the world and a place of beauty.

PHONG NHA-KE BANG NATIONAL PARK, Vietnam, March 18 (UPI) --A photographer created a virtual tour of the world's largest cave, Vietnam's Hang Son Doong, using a GoPro camera attached to a drone.

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.

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 ...

The Hang Son Doong Cave in Vietnam is the largest cave in the world and is believed to be at least two to five million years old. It lies on the border of Laos and Vietnam and falls in the Quang ...

At more than 200m high, 150m wide and 5km long, the Hang Son Doong cave in Vietnam is so big it has its own river, jungle and climate. Australian photographer John Spies, 59, spent a week ...

Thanks to discoveries made during a recent expedition in Vietnam ... tunnel that connects Son Doong (meaning “Mountain River Cave”) with another enormous cave called Hang Thung.

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. When you purchase through links on our site ...