washington d.c [built, 2007]
san diego, california [built, 2009]
bern, switzerland [proposal, 2010]
washington d.c. [built, 2007]
nuremberg, germany [in process, 2012]
seoul, south korea [built, 2006]
portland, oregon [proposal, 2007]
potomac, maryland [proposal, 2005]
coming soon
pungiungi island, new zealand [unbuilt 2012]
heremence, switzerland [proposal, 2010]
reston, virginia [built, 2006]
rolle, switzerland [proposal, 2009]
cawtaba valley, virginia [proposal, 1999]
shockhoe slip, virginia [finalist, 1999]
washington d.c. [proposal, 1999]
various site locations, Washington DC
atlanta, georgia [built, 2004]
atlanta botanical gardens, georgia [2003]
boston, massachusetts [proposal, 2000]
bethesda, maryland [unbuilt, 2008]
various projects + locations
little rock, arkansas [competition, 2002]
andalucia, spain [proposal, 2004]
hua hin, thailand, 2014