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

Drawing of single cantilever bridge design by Paolo Soleri

Drawing of 1962 double cantilever bridge design by Paolo Soleri

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

Plaster model of single cantilever bridge design by Paolo Soleri

Model of double cantilever bridge design by Paolo Soleri shown at an exhibition

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

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

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

Model of Arcvillage II farm town Arcology design by Paolo Soleri, from 1970 exhibit at Corcoran Gallery of Art, Washington, DC