Denver, Colorado, USA now has more marijuana dispensaries than it does Starbucks.
123
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
Teddy bears were named after U.S. President Theodore 'Teddy' Roosevelt.
23
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
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
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