With a staggering depth of 2,197 meters (7,208 feet), Krubera Cave is the deepest known cave in the world. To put that in perspective, imagine six-and-a-half Eiffel Towers stacked on top of each other underground! Considered “the Everest of caves,” the vast cavern, also known as Voronya or Voronja Cave, is located in the Arabika Massif. Arabika Massif is on the edge of the Black Sea in Abkh