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Hidden giant: Denmark Strait hosts world's tallest waterfall
The Denmark Strait hides the world's largest waterfall, surpassing even Angel Falls, which is recognized as the tallest ...
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City-size seamount triple the height of world's tallest building discovered via gravitational anomalies
The tallest rises more than 1.5 miles (2. ... But there are several bigger underwater mountains. The world's largest seamount is technically Hawaii's dormant volcano Mauna Kea, according to the ...