Spine of the Earth 2012
Stellar Axis: North PoleArctic Circle2007
Stellar Axis: AntarcticaAntarctica2006
Sol StarGiza Plateau, Egypt1996
Inconceivable MansionsArroya Grande, CA1982
Spine Of The EarthMojave Desert, CA1980
Washington Monument ProjectWashington, DC, US1980
Man and the Mountain IIMojave Desert, CA1979
Man and the Mountain IDeath Valley, CA1978
Rock and Pigment InstallationMojave Desert, CA1978
Blue RockMalibu, CA1978
MoonshadowMalibu, CA1978
Malibu LineMalibu, CA1978