2009 – Virginia Beach, VA, USA
2008 – Québec City, QC, CANADA
2007 – Vancouver, BC, CANADA
2006 – Kansas City, MO, USA
2005 – Nashville, TN, USA
2004 – Boulder, CO, USA
2003 – Albuquerque, NM, USA
2002 – Cancun, Mexico
2001 – Kitchener, ON, Canada
2000 – Victoria, BC, Canada