“Hudson River Paintings From the Metropolitan Museum of Art,” New Britain Museum of American Art, 56 Lexington Street, New Britain, through September. (860) 229-0257; nbmaa.org.

An exhibition titled “Undercurrents: The River as Metaphor” is currently on display at the Samuel Dorsky Museum of Art on the campus of the State University of New York at New Paltz, 1 Hawk ...