The United States has paved enough roads to circle the Earth over 150 times.
72
50% of pizzas in America are pepperoni.
183
The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
29
The first semi-permanent settlements appeared in Florida around 5000 B.C.
10
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
In 1700s, the deer skin was a common medium of exchange between the trading settlers and the native Red Indians in America. This is how a buck became a slang for a dollar.
28