The United States has paved enough roads to circle the Earth over 150 times.
72
Saint Augustine, Florida, is the oldest European settlement in North America.
55
The United States does not have an official language.
88
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
In the US, there are quite a few cities called Gaylord.
27
Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
30
The Canadian province of New Brunswick (which was part of the UK at the time) had a bloodless war with the US state of Maine in 1839
36