| 1 | Challenger Deep (bathyscaphe Trieste) | | 10.9 km |
| 2 | Piccard hydrothermal vents, Mid-Cayman Rise | | 4,960 m |
| 3 | Bismarck wreck | | 4,790 m |
| 4 | Witwatersrand gold fields (Mponeng) | South Africa · Africa | 4,000 m |
| 5 | Titanic wreck | | 3,800 m |
| 6 | Mid-Atlantic Ridge black smokers (TAG) | | 3,650 m |
| 7 | Endurance (Shackleton's ship) | Antarctica · Antarctica | 3,008 m |
| 8 | Galápagos Rift hydrothermal vents | | 2,500 m |
| 9 | Perdido spar, Gulf of Mexico | United States · North America | 2,450 m |
| 10 | Grand Canyon | United States · North America | 1,800 m |
| 11 | Lake Baikal (Shaman Rock) | Russia · Asia | 1,642 m |
| 12 | Bonga oil field, Nigeria | Nigeria · Africa | 1,000 m |
| 13 | Ngorongoro Crater | Tanzania · Africa | 610 m |
| 14 | San José galleon | Colombia · South America | 600 m |
| 15 | Mir diamond mine | Russia · Asia | 525 m |
| 16 | Cave of the Crystals (Naica) | Mexico · North America | 300 m |
| 17 | Meteor Crater (Barringer Crater) | United States · North America | 170 m |
| 18 | Edmund Fitzgerald wreck | Canada · North America | 160 m |
| 19 | North Rankin Complex, North West Shelf | Australia · Oceania | 125 m |
| 20 | Great Blue Hole | Belize · North America | 124 m |
| 21 | Lusitania wreck | Ireland · Europe | 93 m |
| 22 | Derinkuyu Underground City | Türkiye · Asia | 85 m |
| 23 | Antikythera wreck | Greece · Europe | 50 m |
| 24 | Yonaguni Monument | Japan · Asia | 25 m |
| 25 | USS Arizona Memorial, Pearl Harbor | United States · North America | 12 m |
| 26 | Thonis-Heracleion (sunken city) | Egypt · Africa | 10 m |
| 27 | Lake Natron | Tanzania · Africa | 3 m |