Weekend picks: Violinist Joshua Bell plays with CSO

Violin virtuoso: Celebrated American violinist Joshua Bell joins with conductor James Conlon and the Chicago Symphony Orchestra for a gala fundraising concert featuring music of Mozart, Bruch and Dvorak on Saturday at the Ravinia Festival, 418 Sheridan Road, Highland Park. $25-$100 pavilion; $10 lawn seating. (847) 266-5100 or ravinia.org. 7 p.m. Saturday, July 26

SATURDAY

All's fair: The 86th Annual Lake County Fair promises loads of carnival games, rides, concerts, a demolition derby and more at the Lake County Fairgrounds, 1060 E. Peterson Road, Grayslake. $8-$10; $5 kids/seniors. (847) 680-7200 or lcfair.com. 10 a.m. to 11 p.m. Saturday, July 26; 10 a.m. to 9 p.m. Sunday, July 27

Algonquin Founders Days: A cardboard boat regatta, carnival, concerts, parade and fireworks are some of the highlights of the Algonquin Founders Days fest at Algonquin Lakes Park, 1401 Compton Drive, Algonquin. Other featured events include children's games, a market/bazaar and the Founders' Run. Admission $4. algonquinfoundersdays.com. 11 a.m. to 10:30 p.m. Saturday, July 26; 7 a.m. to 5 p.m. Sunday, July 27, at Algonquin Lakes Park, 1401 Compton Drive, Algonquin. Parade steps off at 11 a.m. Saturday, July 26, along Algonquin Road. Fireworks at 9 p.m. Sunday, July 27

Island pride: The 43rd Aurora Puerto Rican Heritage Festival features food vendors, domino competitions, lots of music and a Sunday Puerto Rican Day Parade this weekend at RiverEdge Park, 360 Broadway St., Aurora. $5 general admission; kids ages 5 and under admitted free. (630) 896-6666 or riveredgeaurora.com. 11 a.m. to 10 p.m. Saturday and Sunday, July 26 and 27; parade at noon Sunday, July 27

Irish fest: Watch Irish dancing, taste Emerald Isle foods and learn about Irish traditions at the 15th Annual Arlington Heights Irish Fest this weekend near the Arlington Heights Historical Museum at the corner of Fremont and Vail streets, Arlington Heights. $5; free for kids ages under 15 on Friday, $2 kids on Saturday. (847) 255-1225 or ahmuseum.org. 3:30 to 11 p.m. Saturday, July 26

Family camp: Bring your tent for the Great America Family Campout, which promises loads of outdoor games and other campfire activities sponsored by the Gurnee Park District this weekend at Hunt Club Park, 900 Hunt Club Road, Gurnee. $25-$31 per family of six (parents must stay overnight with kids). (847) 623-7788 or gurneeparkdistrict.com. 6 p.m. Saturday, July 26, through 7:30 a.m. Sunday, July 27

'Young Frankenstein': The College of Lake County's theater, music and dance departments team up to present “Young Frankenstein,” a Mel Brooks musical based on the 1974 film of the same name, in the Mainstage Theatre of the James Lumber Center for the Performing Arts at the College of Lake County, 19351 W. Washington St., Grayslake. Tickets $12-$15. (847) 543-2300 or clcillinois.edu/tickets. 7:30 p.m. Saturday, July 26; 2 p.m. Sunday, July 27

'SNL' pro: Jay Pharoah of “Saturday Night Live” fame appears this week at Zanies at MB Financial Park, 5437 Park Place, Rosemont. $30, plus a two-menu-item purchase. (312) 337-4027 or (847) 813-0484, or zanies.com. 8 and 10:30 p.m. Saturday, July 26

Midwestern mirth: Standup comedians Deanna Ortiz, Kolin Bohannon and David Franks all share the bill for a Midwest Comedy Showcase this weekend at the The Comedy Shrine, 4034 Fox Valley Center Drive, Aurora. $20 plus a two menu-item purchase. (630) 585-0300 or comedyshrine.com. 8 p.m. Saturday, July 26

First look at new work: In-development works by Martyna Majok, Tanya Saracho and Joshua Conkel are among the plays featured as part of Steppenwolf Theatre's ninth annual First Look Repertory of New Work. Saracho's “Hushabye” is about a recently sober young woman trying to break free from her overprotective sister. Mojak's “Ironbound” spans 22 years in the romantic life of a Polish immigrant woman and Conkel's “Okay, Bye” is about two thirtysomethings attending an Alcoholics Anonymous meeting who recognize each other from high school. Performances continue in repertory through Aug. 24 at the Garage Theatre, 1642 N. Halsted St., Chicago. Opens Aug. 9. $20. (312) 312-335-1650 or steppenwolf.org. 8 p.m. Saturday, July 26

SUNDAY

'Say Anything': See a midnight screening of the digitally remastered 1989 romantic comedy film “Say Anything,” starring Ione Skye, Evanston native John Cusack and John Mahoney, at the Tivoli Theatre, 5021 Highland Ave., Downers Grove. The film is rated PG-13. Admission is $5 per person. Visit classiccinemas.com. 12 a.m. Saturday, July 26

Bloody fun: Imbibe specialty cocktails or take part in a 5K run to support the charity Kids Rank at the 5th Annual Bloody Mary Fest today at Everts Park, 130 Highwood Ave., Highwood. Free admission, but there is a $25 competition fee and $150 fee to be a Bloody Mary vendor. (847) 432-6000 or celebratehighwood.com/bloodymary. 10 a.m. to 5 p.m. Sunday, July 27

Beer bash: More than 700 craft brewers across the U.S. have signed on for the Sierra Nevada's Beer Camp Across America tour, which arrives locally on Sunday at Navy Pier, 600 E. Grand Ave., Chicago. $65 sampling admission; $30 for designated drivers. (312) 595-7437 or beercamp.sierranevada.com. noon to 5 p.m. Sunday, July 27

Harpeth Rising: The folk trio Harpeth Rising stars in an outdoor concert at the Long Grove Fountain Square, 308 Old McHenry Road, downtown Long Grove. The group plays bluegrass and classical selections. Free. visitlonggrove.com. 4 p.m. Sunday, July 27

A boggy day: Commemorate International Bog Day with an art show, a silent auction, a blues concert and more today at the Volo Bog State Natural Area, 28478 W. Brandenburg Road, Ingleside. No admission charge. (815) 344-1294 or dnr.state.il.us/lands/landmgt/PARKS/R2/Volobog.htm. noon to 5 p.m. Sunday, July 27

Stealth shots: Learn about a secretive and unassuming 20th century Chicago street photographer during “An Afternoon with Vivian Maier,” which features an exhibit, a lecture and a screening of the British documentary “The Vivian Maier Mystery” today at the College of DuPage's McAninch Arts Center's Cleve Carney Art Gallery, 425 Fawell Blvd., Glen Ellyn. $10. (630) 942-4000 or atthemac.org. 1 to 4 p.m. Sunday, July 27

Triple play at LOL: Three improv teams compete in this Sunday's latest installment of Laugh Out Loud Theater's “Triple Play” at at Streets of Woodfield, 601 N. Martingale Road, Schaumburg. $10. (847) 240-0386 or laughoutloudtheater.com. 7 p.m., Sunday, July 27