Boybuloq Cave
Boybuloq Cave (also known as Boy Bulok) is a limestone cave in Uzbekistan and the deepest known cave in Asia. It is located high in the Gissar Range of mountains, near to Dehibolo, Uzbekistan's highest village. The cave and wider area is inaccessible for much of the year due to snow. Long-known to local people because of a nearby spring the cave was first explored by speleologists in 1984. Since then expeditions have mapped of passages in the cave and reached a total depth of . The cave could potentially extend much deeper and become the deepest in the world.
Harwood Hole
Harwoods Hole is a cave system located in the northwest of the South Island of New Zealand. It is one of several important cave systems in Takaka Hill, between Golden Bay and Tasman Bay. Starting at the surface as a 50-metre round entrance and descending 183 metres, Harwood Hole is New Zealand's deepest vertical shaft. Further in it connects with "Starlight Cave". The long rope descent is considered one of the most spectacular parts of the caving experience at Harwood's. Harwood's Hole has an overall depth of 357 m.