Ethiopia 2016
Chile and Easter Island 2015
Bolivia 2015
Peru 2015
Thailand 2014
India 2014
Alaska 2013
Yosemite 2012-2013
Utah/Arizona 2012
Georgia/Armenia 2011
Guatemala/Belize/Mexico 2011
San Francisco 2011-2013
Cuba 2010
Sri Lanka 2010
Yemen 2009
Indonesia 2009
West China 2008
Turkey 2007
Ireland 2006
Iceland 2005