Hang Son Doong is the world's largest known cave, with enough space in some of its passages to fly a Boeing 747 airplane ...

Bat colonies can reach truly enormous sizes, some with millions of bats pouring out to feed each night, and one cave in Texas ...

Venturing into the heart of the earth to discover the Cave of Crystals is an adventure like no other. Located in Naica, ...

Despite all those years of exploration, still each year, courageous cave explorers discover new tunnels and rooms underground and thereby stretch the known limits of the world's longest and ...

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 ...

Explore Mammoth Cave National Park, the longest cave system on Earth, featuring the richest known habitat for cave wildlife in the world. It may be difficult to think of caves as spacious and grand, ...

Among the cave-centric park units within the National Park System, Mammoth Cave National Park in Kentucky stands out. Not ...

Vietnamese scientists have discovered a new snail species in Son Doong Cave within the Phong Nha - Ke Bang National Park in ...

A popular attraction—and one of our favorite places on Kauaʻi—closed on Oct. 31, 2024. Makauwahi Cave Reserve, the largest ...