- 2011
- Lake Tahoe, Nevada and California
- 2010
- Dixon, Illinois
- 2009
- South Bend, Indiana
- 2008
- Evanston, Wyoming
- 2007
- Fort Morgan, Colorado
- 2006
- Cedar Rapids, Iowa
- 2005
- Ely, Nevada
- 2004
- Chester, West Virginia
- 2003
- Fort Wayne, Indiana
- 2002
- Sacramento, California
- 2001
- Grand Island, Nebraska
- 2000
- Edison, New Jersey