Nature’s underground wonders have captivated explorers and curious travelers across the country for centuries. From ...

Would Krubera take us there ... the “trail” to Krubera Cave drops down a chain of pitches, cascades, and pits—some more than 100 meters (328 feet) deep—connected by narrow rift passages ...

The cold blackness swallows the light of our headlamps just a few feet from our heads, forcing us to move ... Krubera Cave in the republic of Georgia is currently the deepest known cave, at ...