Hilton Rainbow Tower, Honoulu, Millard Sheets Interpace ceramic mural, 1968. Photo via Flickr Creative Commons by coconut wireless, 2008. Posted on June 21, 2012June 21, 2012 by Adam Arenson ← Previous Next → Hilton Rainbow Tower, Honoulu, Millard Sheets Interpace ceramic mural, 1968. Photo via Flickr Creative Commons by coconut wireless, 2008.