Mammoth Cave National Park was established on July 1941 to preserve the cave system, including Mammoth Cave, the scenic river valleys of the Green and Nolin rivers, and a section of south central Kentucky.
he Krubera Cave, Abkhazia, Georgia The deepest known cave on Earth. Located in the Arabika Massif of the Gagrinsky Range of the Western Caucasus, in the Gagra district of Abkhazia, Georgia’s breakaway republic.
Mammoth Cave is the world’s largest cave system with over 300 miles of documented passageways. The cave is so large that many researchers suspect there are hundreds of miles of cave that haven’t even been discovered. Go Spelunking!