Unless one counts the mist that sometimes appears as a ground hugging cloud and other times as pulsing bursts of steam, you hear Niagara Falls before you see them. This is unavoidable. More than 3,100 tons – about 758,000 gallons – of water, plunge over the falls every second, producing a rhythmic roar that is both felt and heard.
Here are a few facts you may not have known about the tourist spot.
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