According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
223
The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
29
There is a superhero supply store in Brooklyn with a cape fitting room that has a wind tunnel. They also sell oxygen gum, bottled chaos and have an invisibility testing center.
18
The United States has paved enough roads to circle the Earth over 150 times.
72
No president of the United States was an only child for his parents.
51
In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
7
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
The Statue of Liberty has US women's shoe size 879.
53