Every year, Alaska has about 5,000 earthquakes.
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Australia's Great Barrier Reef is 1,250 miles long!
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Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
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The water of the Antarctica is so cold that nothing can rot there.
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The Sahara desert expands at about 1km per month.
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The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
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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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