The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
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Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
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Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
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A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
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Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
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The Atlantic Ocean is saltier than the Pacific Ocean.
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The Amazon rainforest produces more than 20% the world's oxygen supply.
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