Australia's Great Barrier Reef is 1,250 miles long!
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The warmest temperature ever recorded on Antarctica was 3 degrees F.
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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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It's still possible to see the division between East and West Germany due to different light bulbs.
5
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
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