- 2022 - September 7-10, Washington, D.C.
- 2021 - September 14-18, Virtual
- 2020, September 16-18, Virtual
- 2019 - September 18-21, San Diego, California
- 2018 - September 19-22, Orlando, Florida
- 2017 - September 20-23, Atlanta, Georgia
- 2016 - September 14-17, Austin, Texas
- 2015 - February 18 - 21, Boston, Massachusetts
- 2014 - February 5 - 8, Seattle, Washington
- 2013 - February 7 - 10, Washington, D.C.
- 2011 - April 3 - 5, San Francisco, California
- 2009 - April 1- 4, Portland, Oregon
- 2007 - October 14 - 17, Orlando, Florida
- 2005 - October 19 - 22, Albuquerque, New Mexico
- 2003 - October 15 - 18, Atlanta, Georgia
- 2001 - October 18 - 20, Houston, Texas
