Interior photograph showing skylight and ceiling structure at Gallery/North Studio at Cosanti in Paradise Valley, Arizona

Model of Arcube city structure Arcology design by Paolo Soleri, from 1970 exhibition at Corcoran Gallery of Art, Washington, DC

Interior photograph showing the ceiling of the Octagon, a community building at Construction Camp, Arcosanti

Interior photograph of Gallery/North Studio at Cosanti in Paradise Valley, Arizona showing skylight and ceiling structure

Interior photograph showing the ceiling of the Octagon, a community building at Construction Camp, Arcosanti