Date: circa 1967 or 1968 Locations: New York City, New York (above), and Philadelphia, Pennsylvania (bottom) Source: via Thomas-Juergen Muhs What do you see here?
Date: 1960s Location: Mooloolaba Esplanade, Mooloolaba, Queensland, Australia Source: Sunshine Coast Council on Facebook, via Lindsay Wilson What do you see here?
Date: 1986 Location: Navy Pier, Chicago, Illinois Source: C. William Brubaker, via University of Illinois at Chicago Digital Collections What do you see here?
Date: 1972 Location: Dickey Road, East Chicago, Indiana Source: C. William Brubaker, via University of Illinois at Chicago Digital Collections What do you see here?