Boybuloq Cave
The cave is the deepest known cave in Asia having been explored to a depth of from the entrance. At the lowest discovered level a water-filled siphon blocks further exploration. It is thought that the cave has the potential to be the deepest known cave in the world, with a theorised depth of making it deeper than the Veryovkina Cave. The explored length of the cave is .
New Athos Cave
The New Athos Cave (; ; ) also Novoafonskaya, Novy Afon Cave, or New Afon Cave is a karst cave in the Iverian Mountain in Abkhazia (Georgia) near New Athos. It is one of the largest caves in the world with the volume of its void of about 1,000,000 m³.