Vietnam is known for karst landscapes characterized by rich biodiverse caves that researchers say likely host more new species. Nguyen, Stoev, and Vu (2025) Zoosystematics and Evolution Vietnam is ...

Hidden beneath the mountains of Lang Son lies Khuon Bong Cave, where visitors experience thrilling adventures and stunning underground landscapes. An expedition team of Jungle Boss Trekking Tours of ...

Exploring Sơn Đoòng Cave, Vietnam ...

Vietnam is known for its karst landscapes, characterized by caves, caverns and sinkholes that harbor diverse ecosystems underground in near-total darkness. It was in this environment, deep in the ...

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 ...

This story appears in the January 2011 issue of National Geographic magazine. “Past the hand of dog, watch out for dinosaurs,” says a voice in the dark. I recognize Jonathan Sims’s clipped ...

Steep new fines — more than many people make in a month — have made the streets of Ho Chi Minh City and Hanoi less ...