The US tested nuclear and other weapons on areas in the West. From what I know, certain civilian towns and localities had to be liquidated in order for weapons testing to take place. Do these towns actually exist and is it true that some people refused to leave?
Some farms in Washington state were taken, with compensation, for a nuclear research center there at the beginning of WWII.
There were numerous towns that were obliterated due to various flood control projects. Greenwich, MA is one example:
http://en.wikipedia.org/wiki/Greenwich,_MassachusettsIt is of note because it is thought to have helped inspire the title of Lovecraft's "The Dunwich Horror."