The Niagara Falls moves upstream at an average rate of about 295ft a century!
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The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
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The Sahara desert expands at about 1km per month.
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There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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Check your map! Virginia extends farther west than West Virginia.
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Even Antarctica has an area code. It's 672.
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One cubic mile of seawater contains about 50 pounds of gold.
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