The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
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The largest hotel suite in the world is located 22 stories under the surface in the Grand Canyon Caverns. One night for two people in this 65 million year old cave is $700.
4
In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
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The United States consumes 25% of all the world's energy.
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Colorado switched mile marker "420" to "419.99" to stop people from stealing it.
37
In Utah, it is illegal to swear in front of a dead person.
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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.
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