IMPRESSIONISM: AMERICAN GARDENS ON CANVAS (New York Botanical Garden, 2900 Southern Blvd., the Bronx, through Sept. 11) The predominant artistic style at the turn of the 20th century helps the Botanical Garden observe its 125th anniversary with artworks by Childe Hassam, John Singer Sargent and others, brought to life in surrounding gardens through smell-the-roses designs (other flowers, too) by Francisca Coelho. 718-817-8779,

EDGAR DEGAS: A STRANGE NEW BEAUTY (Museum of Modern Art, 11 W. 53rd St., Manhattan, through July 24) Best known as a painter of the ballet, Degas’ work as a printmaker has gone mostly unnoticed until now. Creating monotypes — drawing in ink on a metal plate and running it through a press — he used the process to enhance his drawing techniques. About 120 of these rarely seen prints are shown alongside related paintings, drawings, pastels, sketchbooks and more. 212-708-9400,

TURNER’S WHALING PICTURES (Metropolitan Museum of Art, 1000 Fifth Ave., Manhattan, through Aug. 7) The quartet of whaling scenes painted by the British land- and seascape master Joseph M.W. Turner near the end of his career — one from the Met collection and three on loan from the Tate, London — are united for the first time. The exhibit also examines connections between Turner’s whaling scenes and Herman Melville’s epic 1851 novel “Moby-Dick.” 212-535-7710,

UNFINISHED THOUGHTS LEFT VISIBLE (Met Breuer, Madison Avenue at 75th Street, Manhattan, through Sept. 4) When is a work of art finished? That question is addressed in this first major exhibit since the Breuer, former home of the Whitney, reopened as a Metropolitan Museum of Art annex. Some works by Titian, Rembrandt, Turner and Cezanne were left incomplete intentionally to offer insight into the art process. Others, including those by Jackson Pollock and Robert Rauschenberg, recruited viewers to complete what they had begun. 212-731-1675,

COMMON GROUND: THE MUSIC FESTIVAL EXPERIENCE (Long Island Museum, 1200 RTE. 25A, Stony Brook, through Sept. 5) This will be the only East Coast venue for this exhibit tracing the history of music festivals — they go back way further than Woodstock — curated by Cleveland’s Rock and Roll Hall of Fame and Museum. Experience vicariously through artifacts, videos and more the loud, chaotic and sometimes muddy scenes where legends from Bob Dylan to Nine Inch Nails made their mark. 631-751-0066,

NAN GOLDIN: THE BALLAD OF SEXUAL DEPENDENCY (Museum of Modern Art, 11 W. 53rd St., Manhattan, June 11-Feb. 12) Taking its title from a song in Brecht and Weill’s “Threepenny Opera,” Goldin’s “Ballad” is composed of nearly 700 snapshot-like portraits of people — herself included — captured in intimate moments of ecstasy and pain, reveling in dance clubs or suffering the ravages of AIDS. The artist describes the exhibit as “the diary I let people read.” Live performances periodically are part of the presentation. 212-708-9400,

LONG ISLAND IN THE SIXTIES (Long Island Museum, 1200 Rte. 25A, Stony Brook, June 24-Dec. 31) With explosive growth fueled by middle-class migration from the city, Long Island became one of the most prosperous regions in the United States in the ’60s. From Camelot and The Beatles to the civil rights and feminist movements, see how the decade changed the Island and the nation through school integration, changing housing patterns and shifting attitudes about what is “traditional.” 631-751-0066,

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A FEAST FOR THE EYES (Nassau County Museum of Art, 1 Museum Dr., Roslyn Harbor, July 30-Nov. 6) Food, restaurants, cafes, parties and table decorations are part of our everyday lives as well as part of the tradition of still life in art. Artists who are diverse in time and place and artistic approach — from Toulouse-Lautrec to Picasso to Long Island’s Cindy Sherman, as well as decorative arts and fashion spanning the 17th to 20th centuries, come together on the menu for this visual feast. 516-484-9337,

UNFINISHED BUSINESS: Paintings From the 1970s and 1980s by Ross Bleckner, Eric Fischl, and David Salle (Parrish Art Museum, 279 Montauk Hwy., Water Mill, July 31-Oct. 16). See how three artists representing the generation following the Abstract Expressionists were influenced by their change in location — from Los Angeles to Long Island’s East End — and personal friendships in developing artistic styles that carry on the legacy of the region as a creative community. 631-283-2118,

ASPECTS OF MINIMALISM (The Museum at Guild Hall, 158 Main St., East Hampton, Aug. 13-Oct. 10) Leading East End artists in the Minimalism movement — Dan Flavin, Donald Judd, Agnes Martin, Joseph Beuys and Gerhard Richter, among others — take over all the galleries of Guild Hall. Many of the works will be on view for the first time. Minimalist art includes monochromatic painting and geometric sculpture or installation, such as Flavin’s works in neon. 631-324-0806,