Rainforest Reptiles, a soiree celebrating Pride, fireflies, a book sale, Jazz at Caramoor, and much more are on the calendar this weekend.

Superbia Soiree

The Bruce Museum in Greenwich plans the Superbia Soiree on Friday, July 17, from 6 to 8 p.m., when guests will have special evening access to the newest exhibit, The Seven Deadly Sins: Pride. The evening will include a grown-up scavenger hunt and a special curator’s tour as well as workshops, games, wine and music. There will be a chance to win door prizes and to make a peacock-feather fascinator.

Admission is $20, which includes two glasses of wine; advance reservations are  recommended. Visit superbia.eventbrite.com. For more information on the event and the exhibit, visit brucemuseum.org or call 203-869-0376.

Joint venture

The East/West PlayFest, produced by Eastbound Theatre and the Westport Community Theatre, will open this weekend at the Westport Community Theatre at Westport Town Hall, 110 Myrtle Avenue. The festival features a program of six original plays, which are:

All’s Fair in Love and Science by CJ Ehrlich of Chappaqua, N.Y., The High and Low Search by Michael Weems of Spring Texas, Of Butterflies and Roses by Claudia Haas of White Bear Lake, Minn., Testimonial by Jack Rushen of Stratford, To the Roof by Cynthia Arsenault of Haverhill, Mass., and Tumbling by Mark Lambeck of Stratford.

Performances will take place at 8 Friday and Saturday, July 17 and 18, in Westport; next weekend, there will be performances at 8 on Friday and Saturday and also at 2 on Saturday and Sunday at the Milford Arts Center, 40 Railroad Avenue South. For information, visit milfordarts.org or call 203-878-6647.

Twinkling insects

The Trailside Museum at Ward Pound Ridge Reservation, Route 121, in Pound Ridge, N.Y., will host a Firefly Festival on Friday, July 17, starting at dusk. The event will include an ice cream social with the staff, a program with information about fireflies and then an evening of catching, observing and releasing fireflies.

People are encouraged to bring a blanket or lawn chair for seating; the rain date is July 24. For more information, call the museum at 914-864-7322.

Fine Arts Festival

The Westport Fine Arts Festival will fill Parker Harding Plaza and Gorham Island on the Saugatuck River this weekend with artists showing work in 11 media categories: painting, watercolor, printmaking, sculpture, mixed media, photography, glass, ceramics, jewelry, wood and digital art.

Hours are 10 to 6 on Saturday, July 18, from 10 to 6 and Sunday, July 19, 10 to 5. There will be refreshments, live entertainment and activities for children. Admission is free; for more information, visit westportdma.com.

Summer book sale

Across the Post Road from the Westport Fine Arts Festival the Westport Library at 20 Jesup Road will be having its annual summer book sale, running July 18-21 under a tent on Jesup Green and inside the library.

Hours are 9 to 6 on Saturday and Sunday and from 9 to 6 on Monday, when books are half-price, and 9 to 1 on Tuesday, when books will be by donation. A cafe booth will be open at 7 on Saturday (and the library restrooms will also be open at 7) but the sale will not begin until 9. Two special books will be on auction during the sale: The Adventures of Mickey Mouse, with dust jacket, published in 1931, and Colton’s General Atlas, published in 1872.

For more information, visit westportlibrary.org or call 203-291-4800.

Railway P.O. Dog

The Danbury Railway Museum will host its annual celebration of the legacy of Owney, the Railway Post Office dog, on Saturday, July 18. A centerpiece of the day will be the museum’s fully restored Pennsylvania Railroad circa-1910 Railway Post Office car. The event will take place from 10 to 4 at 120 White Street, Danbury.

Admission to the event is $10. The Railyard Local, a short train ride within the railyard, will depart hourly from 10:30 to 2:30 and there are exhibits within the museum, the restored 1903 Danbury Station. Model trains will be operating as well. For more information, visit danburyrail.org or call 203-778-8337.

On & Off the Wall

Art/Place Gallery at Fairfield Theatre Company, 70 Sanford Street in Fairfield, an artists’ cooperative space, is presenting On & Off the Wall, Artists at Work, July 15-18, featuring 15 mid-career artists from Fairfield County. There will be a meet-the-artists reception on Saturday, July 18, from 2 to 5 p.m.

For more information, visit onandoffthewallshow.com.

Summer Scenes

The Mamaroneck Artists Guild Gallery will celebrate warm weather  with new works created by members for Summer Scenes, on view July 15-Aug. 1. The show includes works in photography, oils, acrylics, printmaking, sculpture, mixed media, fiber and jewelry.

The gallery is at 126 Larchmont Avenue, Larchmont, N.Y.; gallery hours are Tuesday through Saturday, from noon to 5. There will be an opening reception on Saturday, July 18, from 3 to 5 p.m. For more information, visit mamaroneckartistguild.org or call 914-834-1117.

More fireflies!

The New Canaan Nature Center will celebrate a Night of 1,000 Fireflies on Saturday, July 18, from 8 to 9:30 p.m. as part of its series of Summer Night Hikes. Space is limited and advance registration is strongly advised by calling 203-966-9577 x10. The nature center is at 144 Oenoke Ridge Road; for more information and future night hikes, visit newcanaannature.org.

Jazz at Caramoor

Caramoor Center for Music and the Arts in Katonah, N.Y., will celebrate its new collaboration with Jazz at Lincoln Center on Saturday, July 18, with the Caramoor Jazz Festival, opening at noon and running through the evening. Managing and artistic director Wynton Marsalis and Cécile McLorin Salvant are the headliners in the mix of established jazz legends, future phenoms, big bands, solo pianists and more.

There will be performances at multiple venues throughout the day, with the evening performance by the Jazz at Lincoln Center Orchestra at 8 p.m. in the Venetian Theater.

Food and drink stations will be available, with picnic lawns for festival-goers to relax and enjoy the performances. Tickets range from $36 to $116, with children under 18 admitted at half-price. For reservations, visit caramoor.org or call 914-232-1252.

Inside the Outside

Highlights from the art collection of the William Louis-Dreyfus Foundation will be presented in a group exhibition, Inside the Outside: Five Self-Taught Artists, at the Katonah Museum, 134 Jay Street/Route 22, Katonah, N.Y. The exhibition will run from July 19 through Oct. 11, featuring the work of James Castle, Thornton Dial, Nellie Mae Rowe, Bill Traylor and Willie Young.

The museum is open Tuesday through Saturday, 10 to 5 and Sunday 12 to 5; admission is $10, $5 for seniors and students and free for children under 12. There are free docent-led tours at 2:30, Tuesday through Sunday. For more information, visit katonahmuseum.org or call 914-232-9555.

Barnum and Young

The Barnum Museum in Bridgeport will host a program on the cartoonist/illustrator Art Young of Bethel presented by Marc Moorash on behalf of the Bethel Historical Society on Sunday, July 19, at 2. Calling Young “P.T. Barnum’s Brother from Another Mother,” Moorash will explain Young’s admiration for and connection to P.T. Barnum, a native of Bethel. A dozen original Young illustrations will be on display and copies of a restored manuscript by Young, Types of the Old Home Town, will be available.

The museum is at 820 Main Street and the program will take place in the People’s United Bank Gallery, entered to the rear of the historic building. Suggested donation is $5. For more information, visit barnum-museum.org or call 203-331-1104 x100.

Pop rock at StageOne

The 90s alternative pop rock band from Virginia, Cracker, will perform Sunday, July 19, at 7:30 at Fairfield Theatre Company’s StageOne at 70 Sanford Street. The band, fronted by David Lowery and Johnny Hickman, had hits with Low, Teen Angst, Get Off This and Eurotrash Girl.

Tickets are $38; doors open at 7. For reservations, visit fairfieldtheatre.org or call 203-259-1036.

Newgrass in Ridgefield

Sam Bush, three-time Grammy award winner and champion of modern bluegrass and acoustic music, will do a show at the Ridgefield Playhouse, 80 East Ridge on Sunday, July 19, at 8. Tickets are $47.50 and may be reserved at ridgefieldplayhouse.org or by phone, 203-438-5795.

And coming up...

Imagine hiking the Appalachian Trail at a 47-mile-per-day rate? Jennifer Pharr Davis, owner and founder of Blue Ridge Hiking Company, will talk about The Extra Mile: Exploring the Limits of Endurance on Monday, July 20, at 7 p.m. at the Ridgefield Library, 472 Main Street. To register, visit ridgefieldlibrary.org or call 203-438-2282.

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The Westport Country Playhouse will stage the world premiere previews of A.R. Gurney’s Love & Money, a new comedy about the trials of class, family, legacy and race, directed by Mark Lamos, from July 21 through Aug. 8. It’s a co-production with New York’s Signature Theatre, where it will official open in late August. For more information and to buy tickets, visit westportplayhouse.org or call 203-227-4177.