Photograph showing Paolo Soleri working on construction (1960s) of Foundry Apse at Cosanti in Paradise Valley, Arizona

Photograph showing people standing under vaults at Arcosanti

Photograph showing Paolo Soleri talking to a group of people in The Octagon, a community building at Arcosanti

Photograph of vaults under construction at Arcosanti

Photograph showing people standing under vaults at Arcosanti

Photograph showing south exterior view of Barrel Vaults at Cosanti in Paradise Valley, Arizona

Photograph of Paolo Soleri standing in front of a structure at Arcosanti

Photograph showing exterior view of and steps leading to Barrel Vault at Cosanti in Paradise Valley, Arizona

Photograph showing exterior view of Barrel Vault and Cat-Cast House at Cosanti in Paradise Valley, Arizona

Interior photograph of Barrel Vault at Cosanti in Paradise Valley, Arizona showing plaster and cloth form work