“Bidding to Build the Dream,” live and silent auction, entertainment, hors d’oeuvres and a cash bar; benefits expansion project; Sanford Springvale YMCA, Sanford. $25 in advance; $30 day of benefit. sanfordymca.org. 6 p.m. Saturday.
“Champagne on the Sheepscot,” benefit for the Sheepscot Valley Conservation Association with live music and hors d’oeuvres along the banks of the Sheepscot River in Edgecomb, Sheepscot Valley Conservation Association, Newcastle. $40 to $125. sheepscot.org. 4:30 to 7 p.m. Saturday.
“Wild Nite,” cocktails and hors d’ouevres, karaoke and Soul Clap Dance Party with Jonathan Toubin; fundraiser for programming at gallery; Space Gallery, Portland. $50; 21-plus. space538.org. 7 p.m. Saturday.
“Sandsations,” sand-sculpting contest,” benefit for Birth Roots Perinatal Resource Center, Pine Point Beach, Scarborough. sandsations.org. Noon to 3 p.m. Saturday.
Falmouth Antique Appraisal Day, appraisals done by Foreside Antiques; benefits Falmouth Historical Society; Falmouth Heritage Museum. $5 per item. 781-2351. 11 a.m. to 1 p.m. Saturday.
Our Shared History Chowder Festival, benefits the Brick Store Museum and Kennebunk Free Library; Brick Store Museum, Kennebunk. $5. brickstoremuseum.org. Noon to 3 p.m. Saturday.
Sixth Annual Eco Appetito, Chef Lee Skawinski creates a menu using food items donated by local vendors; benefits Ferry Beach Ecology School and its Food for Thought program; Vignola Cinque Terre, Portland. $45 in advance; $55 day of event. ecoappetito.org. Noon to 3 p.m. Sunday.
Capriccio, two-week festival of the arts with music, lectures, readings, performances and special events, various locations, Ogunquit. Various prices. ogunquit.org. Continues Thursday to Saturday.
Oxford County Fair, livestock shows, animal-pulling events, midway, crafts, exhibits, harness racing and live entertainment, Oxford Fairgrounds. $5 to $10; free for ages 5 and younger. oxfordcountyfair.com. Continues Thursday to Saturday.
Crossroads International Celtic Festival, music, dance and storytelling performances in several locations, western Maine. Various prices. Schedule at crossroadscelticfestival.com. Continues Thursday to Sunday.
New Portland Lions Fair, midway, pulling events, crafts and exhibits, Fairgrounds, North New Portland. $5; $15 per family. 628-2916. Friday to Sunday.
Shaker Hill Apple Festival, arts and crafts fair, wagon rides, Shaker Museum exhibits, children’s activities, antique car rides and music, Brothers of Christian Instruction, Shaker Village, Alfred. Free admission. yorkcountyshelterprograms.org. 10 a.m. to 4 p.m. Saturday and Sunday.
• SPECIAL EVENTS
Open Lighthouse Day, many state lighthouses open to the public statewide, Maine. www.lighthouseday.com. 9 a.m. to 3 p.m. Saturday.
Eastern Cemetery Tours, guided walking tour with history of those buried, history of the grounds and the type of stones, Eastern Cemetery, Portland. $7; $4 for seniors and students; free for children under age 12. spiritsalive.org. 10:30 a.m. Saturday; 1:30 p.m. Sunday and Wednesday. Through Oct. 13.
BubbleMania!, blend of the latest in bubble wizardry with music and comedy, Freeport Theater of Awesome. $12 in advance, $15 day of show Saturday matinee and Sunday; $17 in advance, $20 day of show Saturday evening. awesometheater.com. 2 and 7 p.m. Saturday; 2 p.m. Sunday.
David Stone: The Johnny Cash Experience, tribute show, Great Falls Performing Arts Center, Auburn. $22. laclt.com. 3 and 7 p.m. Saturday.
Seanachie Nights: Spoken Word and Music, tales of “The Feline Race” with Lynne Cullen, Janet Lynch and Kurt Kish, Bull Feeney’s, Portland. $9/donation. 253-0288. 7 to 9 p.m. Monday.
Tour of Seguin Island Light, tour Maine’s highest lighthouse, the keeper’s house and Seguin Island, Maine Maritime Museum, Bath. $50; $25 for children under 17. mainemaritimemuseum.org. 10 a.m. to 3 p.m. Sept. 19.
“How Much Does Your Building Weigh, Mr. Foster?” (2010), documentary traces the rise of Norman Foster, one of the world’s premier architects, Space Gallery, Portland. $8. space538.org. 7:30 p.m. Thursday.
“Social Life of Small Urban Spaces” (1988), documentary analyzes the success and failures of urban spaces, Rines Auditorium, Portland Public Library. Free. portlandlibrary.com. 7:30 p.m. Thursday.
Global Lens Film Series, international movie series, “Youzhong” (China, 2012), Bates College, Olin Arts Center, Lewiston. Free. bates.edu. 7:30 p.m. Monday.
“The Motherhood Archives” (2013), haunting and lyrical essay film excavating hidden histories of childbirth in the 20th century, with filmmaker Irene Lusztig, Bowdoin College, Searles Science Building, Brunswick. Free. 725-3834. 7 p.m. Tuesday.
“The Act of Killing” (2013), documentary about killers in 1960s Indonesia recalling reign of terror, Space Gallery, Portland. $8. space538.org. 7:30 p.m. Wednesday.
“Show People” (1928), silent comedy starring William Haines with live accompaniment by Jeff Rapsis, Leavitt Theatre, Ogunquit. $10. leavittheatre.com. 8 p.m. Sept. 19.
“Best Kept Secret” (2013), documentary about autism class in Newark, N.J., Rines Auditorium, Portland Public Library. Free. portlandlibrary.com. 7:30 p.m. Sept. 19.
Sandra Palmer, author and illustrator of “Peace by Peace,” Harlow Gallery, Hallowell. $4/donation. harlowgallery.org. 6 p.m. Thursday.
Richard de Villers Seymour, author of “Beyond Popham Colony,” Gulf of Maine Books, Brunswick. 729-5083. 7 p.m. Friday.
Poet William Ayot, reading from English poet living in Wales, Harlow Gallery, Hallowell. $3/donation. harlowgallery.org. 7 p.m. Friday.
Amanda Lindhout and Sara Corbett, authors of “A House in the Sky,” Rines Auditorium, Portland Public Library. portlandlibrary.com. 6:30 p.m. Friday.
June O’Donal, author of “The Fryeburg Chronicles,” Hiram Historical Society. 625-4762. 1 p.m. Saturday.
Gordon Thomas Ward, author of “Tracing Infinity: Bridging the Gap between Earth and Heaven,” Bath Book Shop. 443-9338. 11 a.m. to 1 p.m. Saturday.
Poetry Evening, bring poems to share, either your own or favorite poems by someone else; facilitated by Priscilla Cookson; York Public Library. www.york.lib.me.us. 6:30 p.m. Tuesday.
Monica Wood, author of “When We Were the Kennedys,” Patten Free Library, Bath. patten.lib.me.us. 6:30 p.m. Wednesday.
Richard Rubin, author of “The Last of the Doughboys,” Maine Historical Society, Portland. mainehistory.org. Noon Sept. 19.
• PARTICIPANT DANCE
Folk Dance Brunswick, world music and dance from the Balkans, Israel, northern Europe and around the globe, no partner needed, People Plus, Brunswick. $8; $5 for students and seniors. 200-7577. 6:30 to 9 p.m. Friday.
Contra Dance, live music by Steampacket with caller Dugan Murphy, Topsham Grange. $10; $7 for seniors and students; $4 for family dance. 233-4325. 6 p.m. family dance; 7 p.m. food potluck; 7:30 p.m. beginner session; 8 p.m. dance Saturday.