MAURICE PRENDERGAST BY THE SEA A retrospective of the great early American modernist’s work, focusing on his depictions of leisure activities by the sea. (Pictured: “South Boston Pier.”) Through Oct. 13. Bowdoin College Museum of Art, Brunswick, Maine. 207-725-3275. www.bowdoin.edu/art-museum
PICASSO: THE VOLLARD SUITE One hundred etchings, all belonging to the same suite, made by Picasso between 1930 and 1937. One of his greatest accomplishments. Through Dec. 20. Hood Museum of Art, Hanover, N.H. 603-646-2808, www.hoodmuseum.dartmouth.edu
EIJA-LIISA AHTILA: OLENTOJA (CREATURES) Five lushly produced video installations by the renowned Finnish artist. Through Jan. 5. Davis Museum of Art, Wellesley College, Wellesley. 781-283-2051, www.wellesley.edu/davismuseum
COURBET: MAPPING REALISM Drawing on collections in Belgium and the US, the show traces the influence of the father of 19th-century realism on artists and collectors in both countries. Through Dec. 8. McMullen Museum of Art, Boston College. 617-552-8100, www.bc.edu/bc_org/avp/cas/artmuseumSebastian Smee can be reached at firstname.lastname@example.org.