http://www.ghosttownsofwashington.com/Idaho.html
Silver City ... http://www.ghosttowns.com/states/id/silvercity.html
Clayton ... http://www.ghosttowns.com/states/id/clayton.html
Map
http://fermi.jhuapl.edu/states/1895/id_1895.jpg
Lots of towns listed
http://freepages.history.rootsweb.ancestry.com/~gtusa/usa/id.htm
http://forums.ghosttowns.com/showthread.php?5153-30-ghost-towns-and-sites-worth-viisiting-in-Idaho
Gilmore, ID ... viewable from google maps satellite. south central ID
Pierce, Idaho (not really a ghost town)