• BENEFITS

Bald Hill Boys, acoustic bluegrass, folk and rock concert with special guest pianist Dawson Hill; benefits conservation projects on Sabbathday Lake; Sabbathday Lake Grange, New Gloucester. $10; $5 for ages 18 and under. 926-4296. 7 p.m. Friday.

Nicole’s 5K Run/Walk to Benefit Caring Unlimited, Lords Point, Kennebunk Beach. $20 to $25. nicolesrun.org.. Registration at 6:45 a.m., race at 9 a.m. Saturday.

Rock Concert, with Rustic Overtnes, Sly-Chi, Grand Hotel, Pete Kilpatrick, The Pete Miller Band, Max Atter and Anderson Council; benefits the Red Cross Mid-Coast Chapter; Thomas Point Beach, Brunswick. $12 to $15; free for under age 12 and over age 80. thomaspointbeach.com/events. Noon Saturday.

Decorator Show House, tour home decorated by interior designers; benefits the Museums of Old York; Emerson House, York. $20. oldyork.org. 10 a.m. to 4 p.m. Friday and Saturday; 1 to 4 p.m. Sunday; 10 a.m. to 4 p.m. Monday to Wednesday; 10 a.m. to 7 p.m. July 21. Through Aug. 13.

Annual Tasting for Victor Ale, beer tasting, food, music, tours of the arts center, ping-pong, a short film and performances by Sean Mencher and His Rhythm Kings; benefits the arts center; St. Lawrence Arts Center, Portland. $15. stlawrencearts.org. 5:30 p.m. July 21. 

• FAIRS/FESTIVALS

Annual Sabattus Summer Festival, barbecue, games, and climbs aboard the town’s fire trucks, Sabattus Town Hall. Free; children under age 15 must be accompanied by an adult. 632-8925. 5:30 to 7:30 p.m. today.

Yarmouth Clam Festival, three days of events celebrating the Maine clamming industry with a parade, a diaper derby, a clam-shucking competition, fireworks and more, downtown Yarmouth. Free admission; fees for food and rides. Various times Friday to Sunday; schedule at clamfestival.com.

Maine Celtic Celebration, Celtic music and culture festival, various locations, Belfast. Various times Friday to Sunday; schedule at mainecelticcelebration.com.

Art in the Park, presented by members of the Bridgton Art Guild, Shorey Park, Bridgton. Free. gallery302.com. 9 a.m. to 4 p.m. Saturday.

First Parish Market Arts and Crafts Fair, First Parish Church, Freeport. Free. firstparishmarket.com. 9 a.m. to 4 p.m. Saturday.

Old Hallowell Day, parade, arts and crafts fair, fireworks and more, various locations, Hallowell. Most events are free. All day Saturday; schedule at oldhallowellday.org.

Penobscot River Revival Festival, live music, artwork, demonstrations, children’s activities and more, Bangor waterfront (near Sea Dog Brewery on Front Street). Free. penobscotriverrevival.blogspot.com. 10 a.m. to 3 p.m. Saturday.

Mollyockett Day Festival, arts and crafts, fireworks, a frog-jumping contest and more, Bethel Village Common. Most events are free. Various times Saturday and Sunday; schedule at mollyockettdays.com.

Native American PowWow, music, drumming, storytelling and more, Harbor Park, Wells. $5; $3 for seniors; free for children under 6. wellschamber.org. 9 a.m. to 7 p.m. Saturday; 9 a.m. to 5 p.m. Sunday.

Antique Auto Days, more than 250 antique vehicles on display, parade on Sunday, Boothbay Railway Village. Call for cost and times: 633-4727. Saturday and Sunday.

Central Maine Egg Festival, parade, egg dishes, a street dance, barbecue, carnival rides and the world’s largest frying pan, Crosby Street, Pittsfield. Most events are free. Various times Tuesday to Saturday; schedule at pittsfield.org.

Annual Country Fair, antiques and attic treasures, books, jewelry, plants and more, Southport United Methodist Church. Free. 633-4896. 9 a.m. to 2 p.m. Wednesday. 

• SPECIAL EVENTS

FRIDAY

Wood Island Lighthouse Tours, Wood Island Lighthouse, Biddeford. $10; reservations required. 286-3229. 10 and 11 a.m. Friday, Saturday and Wednesday. 

SATURDAY

Spectacular Gardens of Scarborough Garden Tour, tour of nine gardens, Hunnewell House, Scarborough. $15 to $20. 839-4033. 9 a.m. to 4 p.m.

Night Visit for Children: “All About Owls,” Maine Wildlife Park, Gray. $5, $7; free for ages 3 and under. mainewildlifepark.com. 7:30 to 9:30 p.m.

Lighthouse Tours, one of only 40 caisson-style lighthouses in the U.S. and the only one open to visitors; must be more than 55 inches tall; canceled in case of rain or fog; Spring Point Ledge Lighthouse, South Portland. $5; free for children under 14. 699-2676. 11 a.m. to 3 p.m. Saturday and Sunday.

Evening Lantern Walk, tour a 17th-century village and meet an 18th-century soldier on duty at Fort William Henry, Colonial Pemaquid Historic Site, New Harbor. Free/donation. friendsofcolonialpemaquid.org. 8:30 p.m.

Founder’s Day, music, entertainment, a craft fair and an antique car show; benefits the Hamlin Library and Museum; Paris Hill Green, Paris. $10/donation; $2 for ages 12 and younger. parishill.org. 9 a.m. to 5 p.m.

Summer Harbor Arts Show, featuring hundreds of artists and craftspeople from Maine and New England, Camden Harbor. (800) 223-5459. 9 a.m. to 5 p.m. Saturday and Sunday.

Indoor Yard and Craft Sale, Sabbathday Lake Grange, New Gloucester. Free admission. 998-2586. 8 a.m. to 2 p.m.

“Make our Garden Grow,” Broadway tunes, opera arias and popular songs about flowers and gardens, Boothbay Botanical Gardens. Free; reservations required. 633-4333. 7 p.m.

“Passport to Discovery 2,” imaginary trip across the globe following the travels of museum founder Edith Cleaves Barry, Brick Store Museum, Kennebunk. $25; $20 for family. 985-4802. 9:45 a.m. to 3 p.m. 

MONDAY

S&W Howard’s Store: 18th Century Fort Economy, presentation by historic interpreter, Colonial Pemaquid Historic Site, New Harbor. $5; free for members. 677-2423. 7:30 p.m. 

WEDNESDAY

Crafts at the Clambake, juried show, Clambake Restaurant, Scarborough. 883-1031. 11 a.m. to 8 p.m.

“Alive for $5,” with magician Peter Boie, one-hour family program includes “Talk Back” with the performer, Stonington Opera House. $5. 367-2788. 7 p.m.

Yarmouth Summer Arts Series: Little Red Wagon “Totally Red,” Royal River Park, Yarmouth. (Rain location at Harrison Middle School.) Free. 846-2406. 11 a.m.

The Kids Are Alright, local music series for families, featuring pop band In the Audience, all ages; Space, Portland. $2, $3. space538.org. Noon. 

• FILMS

TODAY

“The Adventures of Captain Dick Spear,” documentary with Q&A session presented by the Rockland Historical Society, Rockland Public Library. Free. 594-0310. 6:30 p.m. 

FRIDAY

Maine International Film Festival, featuring almost 100 classic, modern and independent features and shorts, Railroad Square Cinema and Colby College, Waterville. $9 per film; $85 partial pass; $200 full festival pass. 861-8138. Friday to July 24; schedule at miff.org. 

SATURDAY

“The Lost World” (1925), adaptation of 1912 book by Sir Arthur Conan Doyle accompanied live on piano by Doug Protsik, Old Town House, Union. $5; free for those under 21. 785-4531. 7 p.m. 

TUESDAY

Summer Documentary Series: “The Oath” (2010), Portland Public Library, Rines Auditorium. Free. 871-1700. 5:30 p.m.

Summer Film Festival: “Only When I Dance” (2009 documentary from Brazil), Patten Free Library, Bath. Free. 443-5141. 6:30 p.m.

“Oil + Water,” 2007 documentary about a 21,000-mile journey in a retrofitted fire truck, Merryspring Nature Center, Camden. Free/donations. 236-2239. 7 p.m. 

WEDNESDAY

“The Kid” (1921), Charlie Chaplin and Jackie Coogan’s silent film with original score performed live, Strand Theatre, Rockland. $30 to $40; $8 for students. baychamberconcerts.org. 8 p.m.

Art Videos at the Gallery: “Kurt Schwitters” (1963), Barn Gallery, Ogunquit. Free. 646-7055. 7:30 p.m. 

JULY 21

“The Dhamma Brothers,” documentary about a Vipassana meditation retreat in an Alabama prison, followed by discussion, Rockland Library. Free. 594-0310. 6:30 p.m. 

• BOOKS/AUTHORS

TODAY

Melissa Coleman, author of “This Life is in Your Hands,” Witherle Public Library, Castine. 326-4375. 7 p.m.

Linda and Martha Greenlaw, authors of “Maine Summers Cookbook: Recipes for Delicious Sun Filled Days,” presented by the Maine Coast Bookshop, 1812 Farm, Bristol. $45; $60 per couple; includes buffet and signed copy of the cookbook. 563-3207. 4 p.m.

George Dalphin, author of “Bob Wacszowski, Necromancer,” Bull Moose Music, Scarborough. bullmoose.com. 5 to 8 p.m.

Paul Doiron, author or “Trespasser,” Owl & Turtle Bookstore, Camden. owlandturtle.com. 6 p.m.

Dan Harrington, author of “Who’s at the Door? A Memoir of Me and the Missionaries,” Bangor Public Library. 947-8336. 5:30 p.m. 

FRIDAY

Brown Bag Lecture Series, with Kim Kalicky, author of “Away at Camp in Maine” (with slideshow), Portland Public Library. Free; bring own lunch. 871-1710. Noon to 1 p.m.

Maine Authors Publishing Festival, 18 authors from Maine Publishing talk to prospective authors, Borders Books and Music, South Portland. Free. 775-6110. 11 a.m. to 6 p.m. Friday; 11 a.m. to 4 p.m. Saturday; 1 to 4 p.m. Sunday.

Mathew Keill, author of “Monhegan Windows,” Maine Coast Book Shop and Cafe, Damariscotta. 563-3207. 5 p.m.

Linda Greenlaw, author of “The Maine Summer Cookbook,” Nonantum Resort, Kennebunkport. Free; RSVP suggested. 967-6136. 6:30 p.m. 

SATURDAY

Tess Gerritsen, “Rizzoli & Isles” creator and bestselling suspense author, Bookstacks, Bucksport. Free. owlandturtle.com. 1 p.m.

Sue Brennan, author of “Every Excuse in the Book: All the Reasons You Can’t Stop Eating Long Enough to Lose Weight,” Sherman’s Books and Stationery, Freeport. 869-9000. 1 to 3 p.m. 

MONDAY

Anne West, author of “Mapping the Intelligence of Artistic Work; An Explorative Guide to Making, Thinking and Writing,” Maine College of Art (Osher Hall), Portland. Free. 699-5030. 6:30 p.m. 

TUESDAY

Charles Pierce and Karen Waldron, “Coffee and Conversation Series” on literature and writing, College of the Atlantic (Deering Common), Bar Harbor. Free. 288-5015. 9 a.m.

Matthew Kiell, author of “Monhegan Windows,” Kennebooks, Kennebunk. Free; RSVP suggested. kennebooks.com. 10:30 a.m.

“Emily Dickinson Out Loud!”, Marion Jeffery reads the poems of Emily Dickinson, Gulf of Maine Books, Brunswick. 729-5083. 7 p.m.

Matthew Algeo, author of “The President is a Sick Man,” Longfellow Books, Portland. 772-4045. 7 p.m.

Maureen Stanton, author of “Killer Stuff and Tons of Money: Seeking History and Hidden Gems in Flea-Market America,” Maine Coast Book Shop and Cafe, Damariscotta. 563-3207. 2 p.m.

“Once Upon a Time: Interactive Story Time,” Maine authors Lynn Plourde and Toni Buzzeo read to children, Seaside Pavilion, Old Orchard Beach. $6. 934-2024. 6 p.m. 

WEDNESDAY

Brown Bag Lecture Series: Simon Van Booy, author of “Love Begins in Winter” and “Everything Beautiful Began After,” Portland Public Library, Rines Auditorium. Free; bring own lunch. 228-8264. Noon.

Simon Van Booy, author of “Love Begins in Winter” and “Everything Beautiful Began After,” Space, Portland. Free; all ages. 228-8264. 7 p.m.

Jeanne Birdsall, author of “The Penderwicks at Point Moulette,” Kennebooks, Kennebunk. Free; RSVP suggested. kennebooks.com. 10:30 a.m.

James L.Witherell, author of “L.L. Bean: The Man and His Company,” Kennebooks, Kennebunk. Free; RSVP suggested. kennebooks.com. 6:30 p.m.

C.S. Lambert, author of “The Sea Glass Hunter’s Handbook,” Maine Maritime Museum, Bath. Free. mainemaritimemuseum.org. Noon.

Marla Miller, author of “Betsy Ross and the Making of America,” Montpelier-Gen. Henry Knox Museum, Thomaston. $8 to $15; reservations required. 354-8062. 7 p.m.

Eli Pariser, author of “The Filter Bubble,” Owl & Turtle Bookstore, Camden. Free. owlandturtle.com. 6:30 p.m.

“Stories By the Garden,” Maine children’s book authors and illustrators, stories and fun activitities, Friends School of Portland, Mackworth Island, Falmouth. Free. 781-6321. Lindy Shapiro, 11 a.m. 

JULY 21

Susan Conley, author of “The Foremost Good Fortune,” Kennebooks, Kennebunk. Free; RSVP suggested. kennebooks.com. 6:30 p.m.

Jim Nichols, author of “Hull Creek,” Maine Coast Book Shop and Cafe, Damariscotta. 563-3207. 5 p.m. 

• PRO SPORTS

Portland Sea Dogs, Minor League baseball, Hadlock Field, Portland. $7 to $9. portlandseadogs.com. Vs. New Britain, 7 p.m. today and Friday, 6 p.m. Saturday and 1 p.m. Sunday; Vs. Binghamton, 7 p.m. Monday and Tuesday; noon Wednesday. 

• PARTICIPANT DANCE

Contra Dance, Town Hall, Bowdoinham, $9. 666-3090. 8 to 11 p.m. (beginner’s lession at 7:30 p.m.) Saturday.

Contra Dance, with Soupbone and Kathryn Larsen calling, Mayo Street Arts, Portland. $7. mayostreetarts.org. 8 to 11 p.m. Saturday.