The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
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The North Atlantic gets 2.5 centimetres (1in) wider every year.
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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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Even Antarctica has an area code. It's 672.
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The Caspian Sea is also classed as the world's largest lake.
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The 'King Ranch' in Texas is bigger than the state of Rhode Island.
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Check your map! Virginia extends farther west than West Virginia.
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Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
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