The Sahara desert expands at about 1km per month.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40