The Denmark Strait cataract is a sloping portion of the seafloor between Iceland and Greenland that funnels cold water from ...

A view of Iguazu Falls from Argentina's side. First comes the roar—a low, thunderous rumble rising from deep within the jungle, long before the falls come into view. Then the mist appears, drifting ...

When you try to come up with the Earth's largest waterfall, there are a lot of factors to take into account. Some might break it down based on sheer size, the flow rate or volume of water coming ...