
The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
29
The United States has paved enough roads to circle the Earth over 150 times.
72
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
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
No president of the United States was an only child for his parents.
51
There are two credit cards for every person in the United States.
2
According to a 2014 study, 1 in 10 Americans think HTML is a sexually-transmitted disease.
8