In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Colorado switched mile marker "420" to "419.99" to stop people from stealing it.
37
The United States consumes 25% of all the world's energy.
51
Alaska is the only state that can be typed on one row of keys on a QWERTY keyboard.
147
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82