Plan of Babel Canyon Arcology city structure design by Paolo Soleri, from 1970 exhibit at Corcoran Gallery of Art, Washington, DC

Photograph of bronze bell windchimes hanging from South Apse at Cosanti in Paradise Valley, Arizona

Model of Hexahedron Arcology design by Paolo Soleri

Model of Hexahedron Arcology design by Paolo Soleri

Photograph of swimming pool at Cosanti in Paradise Valley, Arizona showing pool canopy and bronze bell windchimes

Basic concept model of Two Suns Arcology design by Paolo Soleri

Plastic model of Arcube Arcology design by Paolo Soleri

Drawing of Arcology design by Paolo Soleri

Photograph of North Apse, designed by Paolo Soleri in 1964, with bronze bell windchimes at Cosanti in Paradise Valley, Arizona

Models of Arcube and Hexahedron Arcology designs by Paolo Soleri