Photograph of amphitheater, designed by Paolo Soleri, at the Santa Fe Indian School (previously named the Institute of American Indian Arts) in Santa Fe, New Mexico, showing wall

Plaster model of Rib Cage Dam site designed by Paolo Soleri in 1962

Model of Veladiga Dam Arcology design by Paolo Soleri

Plaster model of 1962 Rib Cage Dam site design by Paolo Soleri

Plaster model of 1962 Rib Cage Dam site design by Paolo Soleri

Elevation plan of Babeldiga Dam Site Arcology design by Paolo Soleri, from 1970 exhibition at Corcoran Gallery of Art, Washington, DC

Photograph of a wall at Cosanti in Paradise Valley, Arizona

Photograph of amphitheater designed by Paolo Soleri at the Santa Fe Indian School (previously named the Institute of American Indian Arts) in Santa Fe, New Mexico, showing wall

Photograph showing a wall and an unidentified person at Cosanti in Paradise Valley, Arizona