Chicago, Illinois, USA
Trondheim, Norway
Wallingford, Pennsylvania, USA
Melbourne, Australia
Montclair, New Jersey, USA
Las Vegas, Nevada, USA
Giessen, Germany
St. Charles, Illinois, USA
Natick, Massachusetts, USA
Paris, France
Philadelphia, Pennsylvania, USA
Davis, California, USA
Seattle, Washington, USA
London, United Kingdom
New York, New York , USAApril, 2007
Philadelphia, Pennsylvania, USAFebruary, 2009
Wanganui, New Zealand, AustraliaSeptember, 2006
Madison, Wisconsin, USAJune, 2014
Blue Mounds, Wisconsin, USADecember, 2007