1920 London, England
1924 Ermelunden, Danmark
1929 Birkenhead, England
1933 Gödöllö, Ungarn
1937 Vogelenzang, Holland
1947 Moisson, Frankrig
1951 Bad Ischl, Østrig
1955 Niagara on the Lake, Canada
1957 Sutton Park, England
1959 Makiling National Park, Philippinerne
1963 Marathon, Grækenland
1967 Idaho, USA
1971 Mount Fuji, Japan
1975 Lillehammer, Norge
1979 Iran – AFLYST
1983 Alberta, Canada
1987 New South Wales, Australien
1991 Mount Sorak National Park, Korea
1995 Dronten, Holland
1999 Picarquin, Chile
2003 Chonburi, Thailand
2007 Hyland Park, England
2011 Rinkaby, Sverige
2015 Rarahama, Japan
2019 West Virginia, USA
