The World’s Smallest Cave and Other Caves Worth Exploring
What is the smallest cave? Krubera Cave Krubera Cave (Voronya Cave) Depth 2,197 m (7,208 ft) Length 13.432 km (8.346 mi) Discovery 1960 Geology Limestone 6 more rows Read more on en.wikipedia.org Natural wonders that have been formed over millions of years include caves. Many of them are yet unknown since they are frequently hidden … Read more