Krubera Cave
The difference in elevation of the cave's entrance and its deepest explored point is . It became the deepest-known cave in the world in 2001 when the expedition of the Ukrainian Speleological Association reached a depth of which exceeded the depth of the previous deepest-known cave, Lamprechtsofen, in the Austrian Alps, by . In 2004, for the first time in the history of speleology, the Ukrainian Speleological Association expedition reached a depth greater than , and explored the cave to . Ukrainian diver Gennadiy Samokhin extended the cave by diving in the terminal sump to 46 metres' depth in 2007 and then to 52 m in 2012, setting successive world records of 2,191 m and 2,197 m, respectively. Krubera is one of the two known caves on Earth deeper than 2,000 metres.
Badami cave temples
Caves 1 to 4 are in the escarpment of the hill in soft Badami sandstone formation, to the south-east of the town. In Cave 1, among various sculptures of Hindu divinities and themes, a prominent carving is of the Tandava-dancing Shiva as Nataraja. Cave 2 is mostly similar to Cave 1 in terms of its layout and dimensions, featuring Hindu subjects of which the relief of Vishnu as Trivikrama is the largest. The largest cave is Cave 3, featuring Vishnu-related mythology, and it is also the most intricately carved cave in the complex. Cave 4 is dedicated to revered figures of Jainism. Around the lake, Badami has additional caves of which one may be a Buddhist cave. Another cave was discovered in 2015, about from the four main caves, with 27 Hindu carvings.