The 5 deepest caves in the world are:
1. Krubera Cave - Georgia - 7,208 feet (2,197 meters)
2. Lamprechtsofen Cave - Austria - 6,835 feet (2,084 meters)
3. Sarma Cave - Abkhazia - 6,462 feet (1,971 meters)
4. Illyuzionnaya Cave - Russia - 5,965 feet (1,819 meters)
5. Voronya Cave ("Cave of the Birds")- Ukraine 5781 ft 1825 m