Imagine the surprise of young lumberjack, Ho Khanh, a native of Vietnam's then-sleepy Phong Nha township, when he saw enormous, ethereal columns of fog billowing out of the ground, like the earth ...

Highlights of the five-night trip include seeing the cave’s own rainforest and a calcite wall called the Great Wall of Vietnam. Vietnam is home to the world's largest cave. It's so vast that it has ...

Add Yahoo as a preferred source to see more of our stories on Google. Some of the most breathtaking moments of the “Planet Earth” series take place in Hang son Doong Cave in Vietnam. But capturing and ...

The world's largest cave in Vietnam has its own weather system and exotic wildlife, drone footage from Beirut shows devastation a massive explosion on August 4th caused, zoo animals in Rome are ...