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

Plaster model of a bridge design by Paolo Soleri 

Drawing of tubular bridge design by Paolo Soleri

Drawing of bridge design by Paolo Soleri

Drawing of bow bridge design by Paolo Soleri

Plaster model of 1962 ramping 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

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