The 'King Ranch' in Texas is bigger than the state of Rhode Island.
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The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
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The Sahara desert expands at about 1km per month.
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An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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The state of Florida is bigger than England!
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A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
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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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