If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Europe is the only continent without a desert.
62
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
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Forest fires move faster uphill than downhill.
52
The Caspian Sea is also classed as the world's largest lake.
52
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25