Bathyscaphe Trieste
On 23 January 1960, she reached the ocean floor in the Challenger Deep (the deepest southern part of the Mariana Trench), carrying Jacques Piccard and Don Walsh. This was the first time a vessel, manned or unmanned, had reached the deepest known point of the Earth's oceans. The onboard systems indicated a depth of , although this was revised later to ; fairly recently, more accurate measurements have found Challenger Deep to be between and deep.
Mount Paraw
Jujar is deepest cave of Asia. in 7 September 2015 Jujar cave in eastern front of the Paraw recognized as deepest cave of Iran. an Iranian caving team consist of 24 athlete has discovered 806 meter and 8 centimeter of this cave. before this event Paraw cave (also located in this mount ) was deepest cave of Iran. in August 2016 an international expedition started to discover whole of the cave. eventually they announced that they successfully achieved to more than 1000 meter depth of the cave. thus Jujar became deepest cave of Asia and Iran.