The worlds deepest road tunnel to date is the Eiksundtunnel in Sunnmøre, Norway 287 meters below sea level.
The Challenger Deep in the Mariana Trench is the deepest point on Earth, reaching a depth of about 36,070 feet below sea level.
The Pacific ocean is by far the deepest of the oceans. The Marianas Trench is the deepest place on earth. It is deeper below sea level than Mt Everest is high.
The world's lowest valley is the Mariana Trench, located in the western Pacific Ocean. Its deepest point, known as Challenger Deep, reaches about 36,000 feet (approximately 10,972 meters) below sea level. This trench is the deepest part of the Earth's oceans and is known for its extreme pressure and unique ecosystems.
The Dead Sea is approximately 997 feet (304 meters) deep at its deepest point, which is located in the northern basin. The depth of the sea can vary slightly due to factors such as evaporation and salt content.
The Mariana Trench in the Pacific Ocean is the deepest place on Earth, reaching a depth of about 36,070 feet (10,994 meters). On land, the deepest place is the Dead Sea, which has a maximum depth of about 1,237 feet (377 meters).
Dead Sea shore, Israel-Jordan: 1369 feet / 417.5 meters below sea level
Mariana Trench is the lowest place in the ocean, located 11 kilometers below sea level.
The deepest point on Earth is the Mariana Trench, located in the western Pacific Ocean. The Challenger Deep within the Mariana Trench is the lowest point on Earth, reaching a depth of about 36,070 feet (10,994 meters) below sea level.
Challenger Deep, the deepest known point in the Earth's seabed, is about 36,070 feet below sea level, located at the bottom of the Mariana Trench in the western Pacific Ocean.
It kind of depends on your definition of deepest cave :) It is usually taken to mean the greatest vertical distance from the cave mouth to its deepest explored point, so the deepest caves actually start pretty high up to begin with. The deepest known cave is Krubera in Georgia at over 2kms deep. It doesn't extend below sea level. However there may be other caves that are deeper, but not explored, and Krubera may well extend to below sea level, we just haven't found a way to get down that far (the limestone massif it is situated in extends below sea level and there have been tests releasing dye into the cave- the dye came out offshore in the black sea I believe). There are plenty of caves that do extend below sea level- all sea caves will have done so at some point.
mariana trench