During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
The United States has paved enough roads to circle the Earth over 150 times.
72
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
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
The turkey is one of the most famous birds in North America. In fact, Benjamin Franklin wanted to make the wild turkey, not the Bald Eagle, the national bird of the United States!
117
There is a basketball court on the top floor of the U.S. Supreme Court Building. It’s known as the “highest court in the land.”
24
Ice cream cones were popularized in America during the 1904 World’s Fair in Saint Louis when an ice cream vendor ran out of cups and asked a nearby waffle vendor to roll up his waffles to hold the ice cream.
17