Caves have fascinated scientists and explorers for millennia. They reveal our planet's past, distinct ecosystems, and a hidden world.
However, exploring these wonders demands particular talents and guts.
Today, we explore the top 10 deepest caverns on Earth, where sunlight barely reaches and the human spirit encourages exploration.
Veryovkina Cave in Abkhazia tops the list. Since 2018, this underworld champion plunges 7,257 feet (2,212 meters).
The Krubera-Voronja Cave in Georgia, at 7,215 feet, follows closely. The "Cave of the Crows," a complicated cave system, attracts expert cave explorers.
This cave system has difficult passages and extraordinary speleothems, mineral formations that give it an ethereal appeal.
Fourth-deep Snezhnaya Cave in Georgia is 5,774 feet (1,760 meters). Underground rivers and ice formations characterize this vast cave system.