Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
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The Sahara desert expands at about 1km per month.
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Israel's Dead Sea is 1,312 feet below sea level.
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A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Every year, Alaska has about 5,000 earthquakes.
31
The Niagara Falls moves upstream at an average rate of about 295ft a century!
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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.
17
The Caspian Sea is also classed as the world's largest lake.
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