The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
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The Caspian Sea is also classed as the world's largest lake.
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The Sahara desert expands at about 1km per month.
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Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
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An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
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The Amazon rainforest produces more than 20% the world's oxygen supply.
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The state with the longest coastline in the Continental U.S. is Michigan.
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