A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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The city of Houston, Texas is built on a swamp and is slowly sinking!
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Israel's Dead Sea is 1,312 feet below sea level.
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There are more than 50,000 earthquakes throughout the world every year!
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Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
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