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
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63