- 2025
- Ogallala, Nebraska
- 2024
- Elkhart, Indiana
- 2023
- Folsom, California
- 2022
- Joliet, Illinois
- 2020 and 2021
- canceled due to COVID-19 pandemic
- 2019
- Rock Springs, Wyoming
- 2018
- Iselin, New Jersey
- 2017
- Denison, Iowa
- 2016
- Gettysburg, Pennsylvania
- 2015
- Ann Arbor, Michigan
- 2014
- Tooele, Utah
- 2013
- Kearney, Nebraska
- 2012
- Canton, Ohio
- 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