• BENEFITS

THURSDAY

Additional Photos

The U.S. Air Force Thunderbirds will perform Saturday and Sunday at the Great State of Maine Air Show in Brunswick. The air show starts at 5 p.m. Friday. Courtesy photo

Summer Benefit Concert Series, with The Gunther Brown Band; benefits Southern Maine Agency on Aging, Spiral Arts, Community Partnerships for the Protection of Children and Hope Acts/Friends of Burundi; Thornton Heights United Methodist Church, South Portland. $5. thorntonheightsumc.com. 7 p.m.

SATURDAY

“Art by the Sea,” cocktails, live music, hors d’oeuvres and art auction; benefits the museum; Ogunquit Museum of American Art. $100. ogunquitmuseum.org. 5 to 8 p.m.

“Paws for a Cause,” dog walk benefiting the Coastal Humane Society, L.L. Bean Discovery Park, Freeport. Donation. coastalhumanesociety. org. Sign-in at 9:30 a.m.; walk at 10 a.m.

WEDNESDAY

15th annual Coastal Maine Antiques Show, more than 70 Maine antique dealers; benefits the Damariscotta River Association; Round Top Farm, Damariscotta. $10. 439-6641. 9:30 a.m. to 4 p.m.

• FAIRS/FESTIVALS

THURSDAY

Union Fair, harness racing, pig scramble, baking and eating contests, animal-pulling events, 4-H exhibits, live entertainment and more, Union Fairgrounds. $12 (includes unlimited rides); free for children ages 3 and under. Schedule at unionfair.org. Through Saturday.

Acton Fair, exhibits, 4-H projects, flower show, animal-pulling events and midway, Acton Fair Grounds. $6, $7; free for ages 11 and under. Schedule at actonfair.net. Through Sunday.

Piscataquis Valley Fair, homemade ice cream, crafts, midway, animal-pulling events and agricultural exhibits, Piscataquis Valley Fairgrounds, Dover-Foxcroft. $6; $2 for ages 5 to 10; free for ages 4 and under. Schedule at piscataquisvalleyfair.com. Through Sunday.

“Art for Art’s Sake,” art show and sale, Boothbay Region Boatyard, Southport Island. lincolnartsfestival.net. Through Sunday.

SATURDAY

Picnic Music + Arts Festival, 130 vendors with locally produced crafts, artwork and vintage items, plus live music all day, Lincoln Park, Portland. Free admission. picnicportland.com. 11 a.m. to 6 p.m.

47th Annual Sidewalk Art Festival, sponsored by WCSH-6, Congress Street between Monument Square and Congress Square, Portland. Free admission. 9 a.m. to 4 p.m.

Juried Arts and Crafts Show, sponsored by the Society of Southern Maine Craftsmen, The Green, Kennebunkport. Free admission. societyofsouthernmainecraftsmen.org. 10 a.m. to 4 p.m.

Sanford Maine Stage Theatre Craft and Vendor Fair, Nasson Community Center, Springvale. 459-7330. 9 a.m. to 3 p.m.

SUNDAY

Healing Arts Festival, food, music, psychics, massage, energy healing, natural products and handmade gifts, Gardens of Atlantis, Dayton. Free admission. 929-5088. 11 a.m. to 4 p.m.

Windsor Fair, agricultural exhibits, arts and crafts, midway, pulling events, harness racing and more, Windsor Fairgrounds. $7, $9; free for children under age 16. Schedule at windsorfair.com. Through Sept. 3.

AUG. 30

Blue Hill Fair, midway rides, food vendors, musical entertainment, racing, pulling events and more, Blue Hill Fairgrounds. $3 to $8; free for children under age 12. bluehillfair.com. Through Sept. 3.

• SPECIAL EVENTS

THURSDAY

Historic Old Port Walking Tours, 90-minute tours from trained guides, not recommended for children under age 12, Maine Historical Society, Portland. $10. mainehistory.org. 10:30 a.m. and 1 p.m. Thursday to Saturday. Through Sept. 2.

FRIDAY

New England Auto Auction, more than 200 vehicles for sale, Owls Head Transportation Museum. owlshead.org. 9:30 a.m.

Great State of Maine Air Show, grounded displays and exhibits, family activities, air performances from the U.S. Air Force Thunderbirds and more, Brunswick Executive Airport. $10 to $99. greatstateofmaineairshow.us. Gates open at 5 p.m. Friday and 9 a.m. Saturday and Sunday.

“We Are Coming, Father Abraham,” Civil War weekend with re-enactments, historians, historical groups and more, Good Will Hinkley School, Hinckley. $5/donation per day. Schedule at gwh2012.civilwarmaine.org. Through Sunday.

SATURDAY

Maine Native American Summer Market, show, sale and demonstrations of Native American arts and crafts, Sabbathday Lake Shaker Village, New Gloucester. Free admission. www.shaker.lib.me.us. 10 a.m. to 3:30 p.m.

Beachscapes Sand-Art Contest, Pemaquid Beach Park, Bristol. pemaquidwatershed.org. 10 a.m. to 2 p.m.

• FILMS

“Degrees of Incarceration” (2011), documentary about a Palestinian community that responds to the crisis of political imprisonment in a refugee camp, Freeport Factory Stage. $12; $6 for seniors and students. freeportfactory.com. 7:30 p.m. Thursday.

“Hank Williams First Nation” (2005), post-film discussion with Bill Halpin and Saskia Huising, Rockland Public Library. Free. 594-0310. 6:30 p.m. Thursday.

“The Hunger Games” (2012, PG-13), drama/action, Portland Public Library Rines Auditorium. Free. portlandlibrary.com. 2:30 p.m. Friday.

Maine Outdoor Film Festival, short films with outdoor themes shown along the Kennebec River in The Forks. $10 per film; multi-film passes available. maineoutdoorfilm.com. Gates at 4 p.m.; screenings start at 8:30 p.m. Saturday.

“Girl Model” (2011), documentary about the teen modeling industry, Portland Public Library. Free. portlandlibrary.com. 5:30 p.m. Wednesday.

Art Videos at the Gallery Film Series, Barn Gallery, Ogunquit. Free. 646-7055. “Marc Rothko,” 7:30 p.m. Wednesday.

• BOOKS/AUTHORS

David McCann, author of “Urban Temple,” Portland Public Library. portlandlibrary.com. Noon Friday.

“An Evening with Ernest Thompson,” author of “On Golden Pond” and new play “Political Suicide”; includes appetizers, desserts, wine and live jazz piano; Skidompha Library, Damariscotta. $15. 562-8116. 7 p.m. Friday.

Marguerite Robichaux and Elizabeth Peavey, illustrator and author of “Glorious Slow Going: Maine Stories of Art, Adventure and Friendship,” River Tree Arts, Kennebunk. rivertreearts.org. 11 a.m. Saturday.

Port Veritas Spoken Word Night, Local Sprouts Cooperative, Portland. Free/donation. localsprouts.coop. 7 p.m. Tuesday.

• PRO SPORTS

Portland Sea Dogs, Minor League Baseball affiliate of the Boston Red Sox, Hadlock Field, Portland. $4 to $9. seadogs.com. Vs. Binghamton, 7 p.m. Thursday and Friday, 6 p.m. Saturday and 1 p.m. Sunday.