Discovery Name	Location	Year of Discovery	Type	Significance	Depth (meters)	Discoverer
Antikythera Mechanism	Antikythera Shipwreck, Greece	1901	Artifact	Ancient analog computer	42	Greek fishermen
USS Arizona	Pearl Harbor, USA	1961	Shipwreck	WWII battleship	30	US Navy
Lost City of Atlantis	Various Theories	NaN	Myth	Mythical civilization	NaN	Various Theorists
Blackbeard's Ship (Queen Anne's Revenge)	North Carolina, USA	1996	Shipwreck	Pirate ship	7	Ingram
Great Blue Hole	Belize	NaN	Natural Formation	Underwater sinkhole	125	Jacques Cousteau
Machu Picchu Underwater Ruins	Peru	2000s	Archaeological Site	Lost Inca City	NaN	Archaeologists
Stonehenge's Underwater Mysteries	England	2000s	Archaeological Findings	Ancient monument	NaN	Archaeologists
Yamashita's Gold	Philippines	1945	Treasure	WWII treasure hoard	NaN	Rumored finders
Da Vinci's Shipwreck	Livorno, Italy	2018	Shipwreck	Ship of Leonardo da Vinci	18	Divers
Sunk Ship of Carthage	Tunisian Coast	2004	Shipwreck	Carthaginian ship	20	Marine Archaeologists
Venetian Ca' d'Oro	Venice, Italy	1906	Building	Historic building submerged	NaN	Architects
Jules Verne Submarine (Nautilus)	Various Theories	NaN	Fictional	Inspirational design	NaN	Jules Verne
Ancient Roman Ship	Alexandria, Egypt	2005	Shipwreck	Trade vessel	60	Underwater archaeologists
Zheng He's Treasure Ships	Indian Ocean	2000s	Shipwreck	Ming Dynasty ships	NaN	Marine Archaeologists
Blue Hole of Belize	Belize	NaN	Natural Formation	Large sinkhole	125	Jacques Cousteau
Atlantis Submarine Tours	Bahamas	2000s	Tourism	Underwater tours	Various	Local tour operators
Celtic Gold Hoard	Northern Ireland	2000	Treasure	Ancient gold artifacts	NaN	Treasure hunters
King Solomon's Mines	Various Theories	NaN	Myth	Legendary lost mines	NaN	Various Theorists
Spanish Galleon (Nuestra Señora de Atocha)	Florida, USA	1985	Shipwreck	Treasure discovery	20	Mel Fisher
Shipwrecks off the Florida Keys	Florida, USA	NaN	Shipwrecks	Historical significance	0-100	Various divers
Enigma of the Bermuda Triangle	Bermuda Triangle	NaN	Mystery	Ship and plane disappearances	NaN	Various Theorists
Underwater Bungalows	Maldives	2005	Tourism	Luxury resorts	3	Resort developers
Victorian Era Ship (HMS Terror)	Arctic Ocean	2016	Shipwreck	Lost expedition vessel	0-90	Canadian Government
Nazi U-boats	Various Locations	Post-WWII	Shipwreck	Captured WWII submarines	NaN	Military divers
Submerged Forests	Various Locations	Ongoing Discovery	Natural	Ancient forests	NaN	Geologists
Icarus Wax Seals	Venice, Italy	2019	Artifacts	Underwater seal finds	NaN	Maritime Archaeologists
Egyptian Treasure Ship	Nile River	2018	Shipwreck	Ancient Egyptian treasure	4	Archaeologists
Minoan Civilization Underwater Vases	Crete, Greece	2000s	Artifacts	Ancient art and trade	NaN	Marine Archaeologists
Sunk German Battleship (Bismarck)	Atlantic Ocean	1989	Shipwreck	WWII naval history	4875	Robert Ballard
Lost City of Z	Amazon River	2000s	Archaeology	Ancient Amazon civilization	NaN	Explorers
Deep-Sea Hydrothermal Vents	Various Locations	1977	Natural Formation	Unique ecosystems	NaN	Oceanographers
Sankaty Lighthouse	Massachusetts, USA	2009	Building	Historic lighthouse submerged	NaN	Coastal Engineers
Cave of the Swimmers	Egypt	NaN	Archaeological Site	Ancient rock art	NaN	Archaeologists
Underwater Stone Circles	Scotland	2009	Archaeological Site	Prehistoric structures	NaN	Archaeologists
Roman Aqueducts	Various Locations	NaN	Ancient Engineering	Water transport	NaN	Civil Engineers
Lost Pharaohs of the Nile	Egypt	2000s	Archaeological Findings	Ancient Egyptian artifacts	NaN	Archaeologists
Blue Whale Graveyard	Atlantic Ocean	2010s	Natural Formation	Whale remains	NaN	Marine Biologists
Underwater Volcanic Activity	Mid-Atlantic Ridge	Various	Natural	Geological features	NaN	Geologists
Underwater Caves	Various Locations	Ongoing Discovery	Natural	Geological formations	NaN	Cavers
Submerged Prehistoric Landscapes	North Sea	2000s	Archaeological Site	Lost human habitats	NaN	Marine Archaeologists
Sunken Cities of the Indus Valley	India/Pakistan	2000s	Archaeological Findings	Ancient civilizations	NaN	Archaeologists
Sardinia Shipwrecks	Sardinia, Italy	2000s	Shipwrecks	Ancient trade routes	NaN	Marine Archaeologists
Scorpion Shipwreck	Egypt	2003	Shipwreck	Ancient Egyptian vessel	15	Marine Archaeologists
Underwater Chariot from Ancient Rome	Sicily, Italy	2006	Artifact	Historical chariot find	5	Divers
U-boat Pens	Germany	NaN	Military Structures	WWII naval bases	NaN	Marine Archaeologists
Moon Pool Technology	Various Locations	2000s	Technology	Innovative underwater design	NaN	Marine Engineers
Sunken Treasure of the Flor de la Mar	Strait of Malacca	1990s	Treasure	Lost galleon treasure	NaN	Divers
Revolutionary War Shipwrecks	Atlantic Coast, USA	Ongoing Discovery	Shipwreck	Historical naval engagements	NaN	Marine Historians
The Great Wall of China Underwater	China	NaN	Myth	Legendary submerged sections	NaN	Various Theorists
Kublai Khan's Lost Fleet	Asian Seas	NaN	Shipwreck	Historical naval fleet	NaN	Historians
Sea Monster Fossils	Various Locations	Ongoing Discovery	Natural	Ancient creature fossils	NaN	Paleontologists
Spanish Treasure Fleet Shipwrecks	Florida Keys, USA	1622	Shipwrecks	Treasure and artifacts	NaN	Mel Fisher
Bermuda Triangle Mysteries	Bermuda Triangle	NaN	Mystery	Disappearance of vessels	NaN	Various Theorists
Timeline of Ocean Exploration	Various Locations	Ongoing	Historical Timeline	Progress of ocean study	NaN	Oceanographers
Ancient Carthaginian Port	Tunisia	2000s	Archaeological Site	Historical trading city	NaN	Marine Archaeologists
Lighthouse Remnants	Various Locations	Ongoing Discovery	Historical Sites	Lighthouse foundations	NaN	Maritime archaeologists
The Titanic Wreck	North Atlantic	1985	Shipwreck	Famous passenger liner	3800	Robert Ballard
The Louvre's Sunken Artifacts	France	2000s	Artifacts	Underwater museum collections	NaN	Maritime Archaeologists
Deep Sea Creatures Discovery	Various Oceans	Ongoing Discovery	Natural	Rare marine species	NaN	Marine Biologists
Aberdeen Submerged Forest	Scotland	2004	Natural	Preserved forest remains	15	Geologists
Galileo's Underwater Experiments	Italy	NaN	Historical	Ancient scientific practices	NaN	Historians
Sunken Roman Galleys	Mediterranean Sea	NaN	Shipwrecks	Ancient naval vessels	NaN	Marine Archaeologists
RMS Lusitania	Irish Sea	1967	Shipwreck	Historic maritime disaster	300	Deep-sea divers
Submerged Ancient Cities in India	India	2000s	Archaeological Findings	Lost civilizations	NaN	Archaeologists
Underwater Oil Wells	Various Locations	NaN	Industrial	Oil extraction sites	NaN	Oil companies
Submerged WWII Artifacts	Various Locations	1945 onwards	Military History	Reminders of war	NaN	Military divers
Underwater Flower Gardens	Coral Reefs Worldwide	Ongoing Discovery	Natural	Marine biodiversity hotspots	NaN	Marine Biologists
Remains of the Alamo Shipwreck	Texas, USA	2000s	Shipwreck	Historic battle vessel	NaN	Historians
Deep-Sea Mining Sites	Various Locations	Ongoing	Industrial	Mineral extraction underwater	NaN	Mining companies
Lost Civilizations of the Amazon	Amazon River	Ongoing Discovery	Archaeological Findings	Ancient cultures	NaN	Anthropologists
Underwater Sculpture Park	Grenada	2006	Art	Marine conservation effort	NaN	Jason deCaires Taylor
Ancient Mummies of the Nile	Egypt	Ongoing Discovery	Archaeological Findings	Mummification site	NaN	Archaeologists
U-Boat Wrecks in the Baltic Sea	Baltic Sea	Various	Shipwreck	Naval warfare remnants	NaN	Military historians
Underwater Crater of Mexico	Mexico	NaN	Natural Formation	Geological phenomena	NaN	Geologists
Sunken Ghost Towns	Various Locations	Ongoing Discovery	Archaeological Findings	Submerged settlements	NaN	Marine Archaeologists
Antarctic Icebergs	Antarctica	Ongoing Discovery	Natural	Scientific research zones	NaN	Glaciologists
Oldest Known Shipwreck	Heracleion, Egypt	2000s	Shipwreck	Ancient ship remains	10	Marine Archaeologists
Prehistoric Underwater Artwork	France	2000s	Artifacts	Cave paintings submerged	NaN	Archaeologists
Underwater Biodiversity Hotspots	Coral Triangle	Ongoing Discovery	Natural	Important ecosystems	NaN	Marine Biologists
Australian Great Barrier Reef	Australia	Ongoing Discovery	Natural	Largest coral reef system	NaN	Environmentalists
Ancient Greek Amphorae	Various Locations	Ongoing Discovery	Artifact	Trade vessels remains	NaN	Marine Archaeologists
Kayan Village Underwater Ruins	Borneo	2010s	Archaeological Findings	Lost tribe culture remnants	NaN	Explorers
Underwater Imaging Technologies	Various Locations	NaN	Technology	Advancements in exploration	NaN	Scientists
Lost Egyptian City of Heracleion	Alexandria, Egypt	2000s	Archaeological Site	Underwater city discovery	NaN	Marine Archaeologists
Reef Restoration Projects	Various Locations	Ongoing	Conservation	Ecological recovery efforts	NaN	Environmentalists
Orca Whale Research Sites	Various Locations	Ongoing Discovery	Research	Killer whale populations	NaN	Marine Biologists
The Shipwreck of the Batavia	Australia	1629	Shipwreck	Historic Dutch ship	NaN	Marine Archaeologists
Sunken Metro Stations of NYC	New York, USA	NaN	Building	Historic urban development	NaN	Urban historians
Samurai Shipwrecks	Japan	Ongoing Discovery	Shipwrecks	Ancient maritime warfare	NaN	Marine Archaeologists
Stone Age Tools Discovery	North Sea	2000s	Artifact	Prehistoric human tools	NaN	Paleontologists
Scuttled Ships at Pearl Harbor	Hawaii, USA	1960s	Shipwreck	Historic naval battle remnants	NaN	Historians
Venetian Shipwreck of San Daniele	Venice, Italy	2000s	Shipwreck	Important trade vessel	NaN	Marine Archaeologists
Lost Tombs of the Pharaohs	Nile River	Ongoing	Archaeological Site	Significant historical finds	NaN	Archaeologists
Sunken Royal Navy Ships	Various Locations	NaN	Military History	Historical naval artifacts	NaN	Marine Historians
The Ghost Fleet of Mallows Bay	Maryland, USA	NaN	Shipwrecks	Historic ship collection	NaN	Environmentalists
Ritual Sites of the Mayans	Caribbean Sea	2000s	Archaeological Findings	Underwater ceremonial sites	NaN	Marine Archaeologists
Lost Atlantean Civilization	Various Theories	NaN	Myth	Potentially mythical society	NaN	Various Theorists
James Bond Underwater Filming Locations	Various Oceans	Ongoing Discovery	Cinematic	Famous film sites	NaN	Film historians
Sunken Industrial Sites	Various Locations	Ongoing Discovery	Industrial	Historic industrial remains	NaN	Historians
Titanic Artifacts Recovery	Atlantic Ocean	1985 onwards	Shipwreck	Recovery of personal items	3800	Various salvagers
Great Lakes Shipwreck Museum	Michigan, USA	NaN	Museum	History of Great Lakes maritime	NaN	Historians
Subterranean Ocean Research Facilities	Various Oceans	2010s	Research	Innovative underwater labs	NaN	Scientists
Sunk Islands of the Pacific	Pacific Ocean	NaN	Natural Formation	Submerged land masses	NaN	Geologists
Bioluminescent Bay	Puerto Rico	NaN	Natural Formation	Unique ecological phenomenon	NaN	Environmentalists
Marco Polo's Shipwreck Discovery	Asia	2000s	Shipwreck	Historic maritime explorer	NaN	Marine Archaeologists
Roman Fishery Remains	Mediterranean Sea	2000s	Archaeological Findings	Ancient fishing practices	NaN	Marine Archaeologists
Icelandic Underwater Volcanoes	Iceland	Ongoing Discovery	Natural	Nation's geological landmarks	NaN	Geologists
Mysterious Submerged Valleys	Himalayas	NaN	Natural	Unexplained geological features	NaN	Geologists
Egyptian Sunken Monuments	Nile River	Ongoing Discovery	Archaeological Findings	Ancient architecture	NaN	Archaeologists
Undersea Energy Resources	Various Locations	Ongoing	Industrial	Renewable energy sites	NaN	Energy Companies
Underwater City of Domineo	Brazil	2000s	Archaeological Findings	Confederate archaeological site	NaN	Marine Archaeologists
Shipwrecks of the Napoleonic Wars	Atlantic Ocean	Ongoing Discovery	Historic shipwrecks	NaN	Historians	NaN
Fossilized Coral Reefs	Various Locations	Ongoing Discovery	Natural	Ancient marine life	NaN	Paleontologists
Baroque Underwater Statues	Various Locations	2000s	Art	Cultural underwater art	NaN	Artists
Site of the Lost Roman Fleet	Italy	2000s	Shipwrecks	Ancient naval fleet remains	NaN	Marine Archaeologists
Calypso's Underwater Research Station	Various Locations	Ongoing Discovery	Research	Deep-sea exploration	NaN	Marine Scientists
Historic Underwater Shipyards	Various Locations	NaN	Industrial	Shipbuilding history	NaN	Historians
Megalodon Teeth Sites	Various Locations	Ongoing Discovery	Natural	Fossils of ancient sharks	NaN	Paleontologists
Lost Egyptian Submarines	Egypt	2010s	Military	Historical naval technology	NaN	Military historians
Hidden Caves of Atlantis	Atlantis Theories	NaN	Myth	Speculative underwater caves	NaN	Various Theorists
Rituals at Sunken Temples	Various Locations	Ongoing Discovery	Archaeological Findings	Cultural sites	NaN	Archaeologists
Shipwrecks of the Gold Rush	California Coast	California Gold Rush Period	Shipwreck	Historic trade vessels	NaN	Marine Historians
Koi Fish Underwater Gardens	Japan	Ongoing Discovery	Horticultural	Beautiful underwater landscapes	NaN	Landscapers
Sea Serpent Fossils	Various Locations	Ongoing Discovery	Natural	Ancient marine creature remains	NaN	Paleontologists
Underwater Biodiversity Reserves	Various Locations	Ongoing Discovery	Natural	Protected marine ecosystems	NaN	Marine Biologists
Sealed Tombs of Pharaohs	Nile River	NaN	Archaeological Findings	Significant historical finds	NaN	Archaeologists
The Unknown Shipwrecks of World War II	Various Locations	1945	Shipwrecks	Naval warfare artifacts	NaN	Military historians
Underwater Farming Techniques	Various Locations	2010s	Agriculture	Innovative farming methods	NaN	Agricultural Scientists
Wreck of a WWII Submarine	Various Locations	NaN	Shipwreck	Historic military artifacts	NaN	Marine Historians
Underwater Wind Farms	North Sea	2010s	Energy	Sustainable energy generation	NaN	Energy Companies
Sinking of the Galveston Disaster	Texas, USA	1900	Natural Disaster	Historic hurricane impact	NaN	Historians
Roman Underwater Aqueducts	Mediterranean Sea	Ongoing Discovery	Engineering	Ancient water systems	NaN	Archaeologists
Fossilized Forests of the Rockies	Rocky Mountains	Ongoing Discovery	Natural	Ancient plant life remains	NaN	Geologists
Shipwreck from the War of 1812	Great Lakes, USA	NaN	Shipwreck	Historic conflict information	NaN	Marine Historians
Sunk Antarctic Research Station	Antarctica	Ongoing Discovery	Research	Historical Arctic studies	NaN	Scientists
Galapagos Underwater Landmarks	Galapagos Islands	Ongoing Discovery	Natural	Unique geological formations	NaN	Marine Biologists
Lost Tribe Submerged Settlements	Amazon River	2000s	Archaeological Findings	Cultural archaeological sites	NaN	Explorers
Cenotes of the Yucatán Peninsula	Mexico	Ongoing Discovery	Natural	Unique geological formations	NaN	Geologists
Survivor of the Mysterious Triangle	Bermuda Triangle	NaN	Mystery	Reports of mysterious disappearances	NaN	Various Theorists
Hydrothermal Vent Ecosystems	Various Locations	1977	Natural	Unique marine life zones	NaN	Marine Biologists
Underwater Art Installations	Various Locations	Ongoing Discovery	Art	Cultural and environmental statements	NaN	Artists
Ruins of an Ancient Temple	Nile Delta, Egypt	2000s	Archaeological Findings	Cultural heritage	NaN	Archaeologists
Sunken Fortress of the Vikings	Norway	2000s	Archaeological Site	Historic Viking settlements	NaN	Marine Archaeologists
Submerged Migration Routes	Various Locations	Ongoing Discovery	Historical	Ancient trade routes	NaN	Historians
Investigation of the Mariana Trench	Western Pacific Ocean	2009	Research	Deep-sea exploration	-11000	Scientists
Submerged Australian Rainforest	Tasmania	Ongoing Discovery	Natural	Unique ecosystem	NaN	Ecologists
Coral Reefs in Crisis	Various Locations	Ongoing Discovery	Natural	Marine biological diversity	NaN	Marine Biologists
Marine Sanctuaries in the Pacific	Pacific Ocean	Ongoing Discovery	Natural	Protected marine habitats	NaN	Environmentalists
Chocolate Hills Underwater	Philippines	NaN	Natural Formation	Unique geological features	NaN	Geologists
Riverbed Artefacts of Indigenous Peoples	Various Locations	Ongoing Discovery	Cultural	Historic human habitation sites	NaN	Anthropologists
Mysterious Underwater Geoglyphs	Various Locations	NaN	Myth	Speculative geoglyphs	NaN	Various Theorists
Mysterious Andean Shipwrecks	Andes Mountains	NaN	Shipwrecks	Historic naval artifacts	NaN	Historians
Ancient Sunken Cities of the Caribbean	Caribbean Sea	2000s	Archaeological Findings	Pre-Columbian ruins	NaN	Marine Archaeologists
Sunken Wonders of the Arctic	Arctic Ocean	NaN	Natural Formation	Unique geological formations	NaN	Geologists
Farming Underwater Gardens	Various Locations	NaN	Agriculture	Sustainable farming techniques	NaN	Agricultural Scientists
Ocean Thermal Energy Conversion Sites	Various Locations	NaN	Energy	Innovative energy harvesting	NaN	Energy Companies
Underwater Volcanoes of Hawaii	Hawaii	Ongoing Discovery	Natural	Active geological formations	NaN	Geologists
Underwater Soundscapes	Various Oceans	Ongoing Discovery	Research	Marine life acoustic studies	NaN	Acousticians
Tsunami Research Sites	Various Locations	Ongoing Discovery	Research	Understanding seismic activity	NaN	Seismologists
Submerged Palmyra Atoll	Pacific Ocean	Ongoing Discovery	Natural	Unique biodiversity	NaN	Marine Biologists
Lost Shipwrecks of the Nile	Nile River	2000s	Shipwrecks	Historic trade vessels	NaN	Marine Archaeologists
Underwater Urban Archaeology	Various Locations	Ongoing Discovery	Archaeological Findings	Urban culture remnants	NaN	Urban archaeologists
Marine Propulsion Research	Various Locations	NaN	Technology	Innovative underwater vehicles	NaN	Engineers
Coral Restoration Projects	Various Locations	Ongoing Discovery	Conservation	Marine biodiversity initiatives	NaN	Environmentalists
Deep Seafloor Mining	Various Locations	Ongoing Discovery	Industrial	Resource extraction methods	NaN	Mining Companies
Seepage of Ancient Springs	Various Locations	Ongoing Discovery	Natural	Archaeological findings	NaN	Geologists
Artifacts from Underground Cities	Cappadocia, Turkey	2000s	Archaeological Findings	Historic underground structures	NaN	Archaeologists
Ancient Sea Routes	Mediterranean Sea	Ongoing Discovery	Historical	Historic transport routes	NaN	Historians
Submerged Archaeological Sites	Various Locations	Ongoing Discovery	Archaeological Findings	Historic sites submerged	NaN	Marine Archaeologists
Sunken vessels of ancient Persia	Persian Gulf	NaN	Shipwrecks	Historic naval battles	NaN	Historians
Underwater Research Vessels	Various Locations	Ongoing Discovery	Technology	Cutting-edge marine research	NaN	Scientists
Submerged Icebergs of Antarctica	Antarctic Ocean	Ongoing Discovery	Natural Formation	Research opportunities	NaN	Glaciologists
Lost Isles of the Pacific	Various Oceans	NaN	Natural Formation	Submerged islands	NaN	Geologists
Underwater Robotic Exploration	Various Oceans	Ongoing Discovery	Technology	Innovative underwater robots	NaN	Engineers
Flooded Valleys in China	Yangtze River	NaN	Natural Formation	Historic landscapes submerged	NaN	Geologists
Deep Ocean Microbial Life	Various Locations	NaN	Natural	Research on ocean ecosystems	NaN	Marine Biologists
Underwater Forests of the East Coast	USA East Coast	Ongoing Discovery	Natural	Unique ecosystems	NaN	Ecologists
Shipwrecks of Antarctic Expeditions	Antarctica	Ongoing Discovery	Shipwrecks	Historic exploration artifacts	NaN	Marine Historians
Coral Reef Conservation Areas	Various Locations	Ongoing Discovery	Conservation	Protecting coral ecosystems	NaN	Environmentalists
Submerged Archeological Sites of Japan	Japan	NaN	Archaeological Findings	Historical Japanese sites	NaN	Archaeologists
Dynamic Underwater Systems	Various Locations	NaN	Research	Innovative water systems	NaN	Scientists
Historical Shipwrecks of the Arctic	Arctic Ocean	Ongoing Discovery	Shipwrecks	Maritime historic findings	NaN	Marine Archaeologists
Lost Traces of Ancient Trade Routes	NaN	Ongoing Discovery	Cultural	Research on early trade routes	NaN	Historians
Sunken Forest of Ngorongoro Crater	Tanzania	NaN	Natural Formation	Preserved ancient forest	NaN	Geologists
Coral Reefs of the Caribbean	Caribbean	Ongoing Discovery	Natural	Biodiversity hotspots	NaN	Marine Biologists
Lost Treasures in the Bermuda Triangle	Bermuda Triangle	NaN	Treasure	Legends and resources	NaN	Treasure hunters
Submerged Ancient Ports	Various Locations	Ongoing Discovery	Archaeological Findings	Historic commerce sites	NaN	Marine Archaeologists