Every day is an adventure, but they don’t have to cost a lot. Free family fun can be found all over Long Island. From lighthouses to festivals to world-class museums, here are 20 free picks to keep you busy all season.

Through Oct. 25: Fall for the Hicks Nurseries Fall Festival

100 Jericho Tpke., Westbury

Jack and Emma Competello, of Westbury, have their picture taken by mom, Bridget, in the hay maze at the Fall Festival at Hicks Nurseries.

For generations, Hicks Nurseries' fall festival has been an annual tradition. Enjoy food, games, a hay maze, a petting zoo and the return of "Otto the Ghost," who continues to delight young and old. You also can check out the Christmas shop.

WHEN 10 a.m.-5 p.m.

MORE INFO 516-334-0066, hicksnurseries.com

Oct. 3: Have fun at the Grand Baldwin Festival

Baldwin Public Library parking lot, 2385 Grand Ave., Baldwin

This free pop-up features live performances — including Caribbean beats from the Adlib Steel Orchestra — kids’ activities, food, a vendor marketplace and an art exhibition.

WHEN Noon-4:30 p.m.

MORE INFO grandbaldwinfestival.com

Oct. 3: Delve into history with Culper Spy Day

Long Island Museum, 1200 Rte. 25A, Stony Brook

A revolutionary cannon is fired off at Culper Spy Day.

Dive into Long Island’s Revolutionary era history, learn about early espionage and visit all the museum’s exhibitions for free during this annual celebration.

WHEN Noon-5 p.m.

MORE INFO longislandmuseum.org

Oct. 9-12: Celebrate the season at the Long Island Fall Festival

Heckscher Park, 11 Prime Ave., Huntington

Children ride the tea cups during the Long Island Fall Festival at Heckscher Park.

Thousands turn out for rides, music, performances, vendors, arts and hands-on activities at the Heckscher Museum of Art. There's also a meatball eating contest for those so inclined.

WHEN 5-10 p.m. Oct. 9, 11 a.m.-10 p.m. Oct. 10-11 and 11 a.m.-5 p.m. Oct. 12

MORE INFO huntingtonchamber.com/fall-festival

Oct. 10: Attend the Latinx Arts Festival and Book Fair

Nassau Community College, CCB Building, 1 Education Dr., Uniondale

The Third Annual Latinx Arts Festival and Book Fair on Oct. 10 brings arts and literature to audiences young and old.

The power of community, heritage and storytelling come together in this third annual festival, a daylong event that brings authors, publishers and audiences together for reading, writing, art making and magic.

WHEN 10 a.m.-4 p.m.

MORE INFO latinxartsfestivalbookfair.com

Oct. 10 and Nov. 14: Lend a hand at Orkestai Farm Community Days

Planting Fields Arboretum State Historic Park, 1395 Planting Fields Rd., Oyster Bay

Folks get there hands dirty while helping out Orkestai Farm in Oyster Bay.

Be a farmer for a day. Orkestai’s Community Days welcome visitors to dig in or grab some fresh produce at the farm stand. The Harvest Festival on Oct. 3 adds music, food and dance to the mix.

WHEN 10 a.m.-noon Oct. 10 and Nov. 14

MORE INFO orkestaifarm.org

Oct. 10-11: Hear live music at the Montauk Fall Festival

Montauk Village Green, Main Street, Montauk

Montauk is hosting a fall festival this weekend featuring live music, clam chowder contest and activities for families.

The festival features clam chowder contest (11 a.m. Oct. 10, fee for mug and clam chowder tasting), farmers market, pumpkin patch, beer and LI wine, children's and family activities, live music and food vendors.

WHEN 10 a.m.-5 p.m.

MORE INFO 631-668-2428, visitmontauk.org

Oct. 17: Hang at an apple festival

Historical Society of the Massapequas, 4755 Merrick Rd., Massapequa

(From left) Michael Hiller, Lori DeFillippis, Madeline Strasser and Carol Patti at the produce booth at the Historical Society of the Massapequas' Apple Festival; Trustee Lucille Guarascio serves a slice of pie at the Historical Society of the Massapequas' Apple Festival.

Head to the festival for apples, pies, crafts, trash and treasure, vendors and live music. The Old Grace Church, the Delancy Floyd-Jones Free Library and Elbert Floyd Jones Cottage are available for tours.

WHEN 10 a.m.-4 p.m.

MORE INFO 516-799-2023, massapequahistoricalsociety.org

Oct. 17-18: Step back in time at the Rock Hall Country Fair

199 Broadway, Lawrence

Brandon Guardado, of Inwood, watches as Barbara Beckerman gives a spinning demonstration at the Rock Hall Museum Country Fair in Lawrence.

How did they do things in the old days? Find out at this family event where costumed Colonial historians demonstrate life more than 200 years ago. There's also a harvest market, craftmaking, pony rides, a petting zoo and an antique car show.

WHEN 11 a.m.-5 p.m.

MORE INFO friendsofrockhall.org/country-fair

Oct. 17-18: Go to the Oyster Festival

Theodore Roosevelt Memorial Park and along Audrey Avenue, Oyster Bay

The 43rd Oyster Festival returns with food, music, rides, games, shucking demonstrations and, of course, an oyster eating contest. Shuttles carry visitors between town and the waterfront park.

WHEN 11 a.m.-6 p.m.

MORE INFO theoysterfest.org

Oct. 18: Swing by Nassau Boulevard Street Fair and Food Truck Rodeo

Nassau Boulevard between Hempstead Avenue and Gaynor Place, West Hempstead

The quarter-mile-long event features more than 80 artisans and vendors; food truck rodeo; kids fun zone with inflatable slide, bouncers and obstacle courses and towering rock wall; live music from the Mobile Stage.

WHEN 10 a.m.-4 p.m.rain date: Oct. 25.

MORE INFO 516-644-5615, lifairs.com

Oct. 24: Join the Great Jack-O'-Lantern Sail

Belmont Lake State Park, North Babylon

See carved pumpkins lit up during the Great Jack O' Lantern sail at Belmont Lake State Park in North Babylon.

A floating pumpkin festival with inflatables, magic show, balloon twisting, a children's spooky den, character performances and meet-and-greets, trick-or-treating, games, funny photos. The first 50 carved pumpkins received will be placed on flotation devices and lit with candles and then sailed from the back of kayaks, around Belmont Lake at dusk (6:15 p.m.).

WHEN 3-6 p.m.

MORE INFO 631-321-3510, parks.ny.gov/events

Oct. 31: Enjoy the Halloween Festival

Stony Brook Village Center, Main Street

Cub Scout Pack 333's "Scary Scout" scarecrow competes at the Ward Melville Heritage Organization's Scarecrow Competition at Stony Brook Village Center.

Trick-or-treat in shops (noon-4 p.m.), children’s games, live music and more fun. Scarecrow Competition announcements at 3:30 p.m. Monster Merlin will be present for photo opportunities with visitors.

WHEN 2-4 p.m.

MORE INFO 631-751-2244, stonybrookvillage.com

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Visit Dia Bridgehampton, The Dan Flavin Art Institute

23 Corwith Ave., Bridgehampton

Imagine walking into a rainbow. Dan Flavin was a pioneering artist who wielded not a brush or pen, but pure color pouring out of fluorescent lights. The bulbs fill the rooms in this museum with dazzling hues.

WHEN 11 a.m.-5 p.m. Fridays-Sundays

MORE INFO 631-537-1476, diaart.org

STORYWIDGET: FALLFUNBOOK_relateds

Peruse the galleries at Southampton Arts Center

25 Jobs Lane, Southampton

Admission is free and "East End Collected" (Oct. 3-Dec. 27) presents work by local artists. After a trip through the galleries, head out to the redone garden.

WHEN Noon-5 p.m. Fridays-Sundays

MORE INFO 631-283-0967, southamptonartscenter.org

Stroll Clark Botanic Garden

193 I.U. Willets Rd., Albertson

Kathryn Buckley, of Oceanside, smells flowers at Clark Botanic Garden.

Take a hike any time of year at the Clark Botanic Garden. It’s easily accessible, walkable and perfect for all ages. Grandparents and toddlers alike will be able to cover the grounds, discover native and exotic plants and even hear croaking frogs in the pond.

WHEN 10 a.m.-6 p.m. daily April-October, 10 a.m.-4 p.m. daily November-March

MORE INFO 516-484-2208, clarkbotanic.org

Tour Fire Island Lighthouse grounds

Open daily, Robert Moses Field No. 5 Parking Lot, Fire Island

Find sea breezes, history and grandeur at the Fire Island Lighthouse.

The historic Fire Island Lighthouse, a local celebrity, has been featured in films, television and books. An elevated boardwalk passes through dunes and meadows, and the museum and the grounds are free (parking is $8 through October).

WHEN 10 a.m.-4 p.m. daily

MORE INFO 631-583-5901, fireislandlighthouse.org

Hike Norman J. Levy Park and Preserve

1600 Merrick Rd., Merrick

See Nigerian dwarf goats at Norman J. Levy Park.

The preserve boasts a 144-foot peak atop a winding road through trees and greenery. From the summit, you can see for miles and the way down is easier than the climb. You may even see a Nigerian dwarf goat roaming the area.

WHEN 7 a.m.-dusk daily

MORE INFO 516-804-2000, hempsteadny.gov

Discover art and artisans at The Church

48 Madison St., Sag Harbor

This contemporary art space is always free. From Oct. 4-Dec. 27, it presents "Dear Mazie," an exhibition inspired by Amaza Lee Meredith, the first known Black queer woman to practice as an architect in the United States. The Maker’s Market (Nov. 28-29), offering Shinnecock artists’ handmade jewelry and art as well as artisanal foods, has a nominal fee ($5 adults, free for ages 12 and younger).

WHEN 11 a.m.-5 p.m. Thursdays-Mondays

MORE INFO 631-919-5342, thechurchsagharbor.org

View exhibits at Heckscher Museum of Art

2 Prime Ave., Huntington

The Heckscher Museum of Art in Huntington.

The museum is free and encourages young art enthusiasts with frequent activities and events in connection with Heckscher Park, where it's located. One of the most popular events is its Nov. 1 Dia de los Muertos celebration.

WHEN Noon-5 p.m. Thursdays-Sundays

MORE INFO 631-380-3230, heckscher.org

Step inside a camera obscura

115 Front St., Greenport

Greenport’s building-sized camera obscura takes the principles of light and space and makes them stunningly real. The world outside projects on the walls inside, just as in a camera or your own eye. Voluntary donations.

WHEN 10 a.m.-noon Saturdays-Sundays

MORE INFO villageofgreenport.gov/camera-obscura

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