In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Seven U.S. states are named after sovereigns - four kings and three queens.
5
203 million dollars is spent on barbed wire each year in the U.S.
65
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
No president of the United States was an only child for his parents.
51
Theodore Roosevelt read at least one book every day.
23
In the US, there are quite a few cities called Gaylord.
27