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2024 Toronto, Canada
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2023 Richmond, Virginia
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2022 Natchitoches, Louisiana
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2019 Detroit, Michigan
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2018 Tucson, Arizona
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2017 Calgary, Alberta
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2016 Chicago, Illinois
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2015 Savannah, Georgia
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2014 Saint Paul, Minnesota
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2013 Lynchburg, Virginia
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2012 Victoria, British Columbia
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2011 Fort Worth, Texas
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2010 Albuquerque, New Mexico
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2009 St. Louis, Missouri
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2008 Montreal, Quebec
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2007 Board Meeting Kansas City, Missouri
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2007 Athens, Georgia
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2006 Halifax, Nova Scotia
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2005 Chatauqua Park Historic District, Boulder, Colorado
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2004 Sonoma Valley, California
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2003 Frederick, Maryland
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2002 International Peace Gardens, Manitoba/North Dakota
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2001 The Clearing, Door County, Wisconsin
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2000 Albuquerque - Santa Fe, New Mexico
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1999 Niagara-on-the-Lake, Ontario (Canada)
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1998 Grey Towers, Milford, Pennsylvania
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1997 Ames, Iowa
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1996 Vermont and New Hampshire
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1994 Charleston, South Carolina
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1993 Montreal, Quebec (Canada)
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1992 The Clearing, Wisconsin
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1991 Acadia National Park, Maine
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1990 Olympic National Park, Washington
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1989 Quebec City, Quebec
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1988 New Harmony, Indiana
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1987 Ellis Island, New York
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1985 Shenandoah National Park, Virginia
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1984 Portland, Oregon
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1983 Perth, Ontario
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1981 Amana Colonies, Iowa
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1980 Williamsburg, Virginia
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1979 The Clearing, Wisconsin
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1978 New Harmony, Indiana
