One cubic mile of seawater contains about 50 pounds of gold.
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The state of Florida is bigger than England!
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More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
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Australia's Great Barrier Reef is 1,250 miles long!
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More than 25% of the world's forests are in Siberia.
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Even Antarctica has an area code. It's 672.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
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