Our Pick
Posted on @rawstates
Rocky Flats machined the plutonium pits
1952
Jefferson County, Colorado
Public domain · Wikimedia Commons
The plant that machined the plutonium pits for every American nuclear weapon, sixteen miles upwind of Denver. Two major fires spread contamination, and in 1989 the FBI raided it, the only time one federal agency has raided another over environmental crime.
That was 1 of the hidden places.
Location: historic site
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