This summer, the beach is not the only sight to see in the Hamptons. Roy Lichtenstein’s (1923–1997) monumental sculptures Tokyo Brushstroke I and II (1994) are now on view at the Parrish Art Museum outside its newly constructed Herzog and de Meuron–designed building in Watermill, New York.

The installation at the Parrish Art Museum—which was founded in Southampton in 1898 and is the oldest cultural institution on the East End of Long Island—is the latest in an ongoing history of Lichtenstein exhibitions at …