With the turn of a calendar page our surroundings have changed. There’s cider, kettle corn, and campfire scents in the air. There’s a strange collective urge to hug bulbous gourds and take selfies. There are fields of corn, or the remembrance of loved ones passed on, to get lost in. Follow the signs to one of these celebrations of fall, Halloween, and Día de los Muertos.

Farm Fests

Anderson Farms Fall Festival

Through Oct 31; Hours vary by day

Make a private campfire station (by reservation) your home base for snacking on s’mores and concessions, then venture out to conquer the 25-acre corn maze, pick up a squash or gourd, or ride the pedal karts. Terror in the Corn and Zombie Paintball Hunt are available after dark, if you dare. Purchase tickets online. $15 age 4 and up (Mon-Thu), $23 (Fri-Sun); free age 3 and under. Anderson Farms, Erie.

The Bartels Pumpkin Patch and Corn Maze

Through Oct. 31, 10 a.m. to 6 p.m.

Pick a pumpkin from the field, pet a farm animal, get the wiggles out on the playground, and enjoy a relaxing hayride at this patch. Free parking and entry, $1-$5 produce and activities. The Bartels Farm, Fort Collins.

Colorado Pumpkin Patch

Through Oct. 31; Mon and Tue, 9 a.m. to 1 p.m.; Wed through Sun, 9 a.m. to 5 p.m.

Visit this 41-acre farm just 25 minutes from Denver where you’ll find pony rides, gourd launchers, tube swings, and a hay maze. Concessions, including hot dogs, BBQ, fries, and fried desserts, are available on the weekends. $12, free age 3 and under. Colorado Pumpkin Patch, Monument.

Corn Maze at Chatfield Farms

Through Oct. 31; Fri through Sun, 9 a.m. to 5 p.m.

Take on the big maze, or send a little one through the kiddie size maze. Try a barrel train ride, or an escape room (additional fee). Picnic tables are available on a first-come first-served basis; bring your own food or purchase from vendors onsite. The pumpkin patch is accessible during the Pumpkin Festival October 8, 9, and 10. Purchase tickets online. Halloween masks and costumes are not permitted. $15 adult, $13 adult member; $10 child member; free age 2 and under. Chatfield Farms, Littleton.

Cottonwood Farms Fall Festival

Through Oct. 31, 10 a.m. to 6 p.m.

In need of a gourd time? Take the family to this farm offering wagon rides on October weekends, a corn and straw bale maze, farm animal visits, and family activities. Prepaid admissions are strongly recommended, especially on weekends. $5, free age 5 and under. Cottonwood Farm, Lafayette.

Diana’s Pumpkin Patch Corn Maze

Through Oct. 17; Fri and Sat, 10 a.m to 9 p.m.; Sun, 10 a.m. to 6 p.m

This family-owned patch is celebrating 20 years of corn maze and pumpkin patch fun. For 2021, the maze is cut in the shape of the farm’s logo. The corn bin, hay slide, climbing rope, duck races, and one pumpkin are included with admission. Take home decorative harvest items (for purchase) to remember your visit. $13, free age 5 and under; $33 season pass. Diana’s Pumpkin Patch & Corn Maze, Cañon City.

Fall Festival and Maze at Flat Acres Farm

Through Oct. 31; Thu through Sun, 10 a.m. to 6 p.m.

Go beyond the hay bale and corn maze and jump into bounce houses, giant Jenga games, petting zoos, and tractor rides. Many activities are geared to kids ages 10 and under. Older youth and adults might extend their stays for the Fright Acres or airsoft attractions (at an extra cost). $16, $5 age 65 and older, free age 2 and under. Flat Acres Farm, Parker.

Fritzler Farm Park Fall Days

Through Oct. 31; Fri, 4 to 10 p.m.; Sat, 11 a.m. to 10 p.m.; Sun, noon to 5 p.m.; Wed and Thu (Oct. 20 and 21), 6 to 9 p.m.

Ever played human foosball, got caught in a big spider web, shot a pumpkin from a cannon, or watched pigs race? You can do all of that and a dozen more fall fun activities at this fall festival. Purchase tickets online. $22.95 entry includes most activities, free age 2 and under. Fritzler Farm Park, La Salle.

Happy Apple Farm

Through Oct. 31; Thu through Sun, 9:30 a.m. to 4:30 p.m.

Pick apples (light this year due to spring weather) and pumpkins at this orchard/patch combination experience. Peruse the little shop’s sweet treats and don’t miss the apple cider donuts. Pets are welcome. Free admission. Happy Apple Farm, Penrose.

Littleton Museum Harvest Festival

Oct. 9, 10 a.m. to 3 p.m.

Play games and win prizes at this 1890’s farm festival. Pick a prime pumpkin and hop on a hayride. Some activities and refreshments require tickets, purchased onsite. Littleton Museum, Littleton.

Lone Creek Farms Fall Festival

Through Oct. 31; Fri and Sun, 10 a.m. to 8 p.m.

Hours of fun await with the numerous attractions dotting these festival grounds. Pan for gold in a creek after taking a hay wagon ride, find your way out of a large corn maze, race on pedal karts, and jump on a giant inflated pumpkin. Refresh your energy with lemonade, kettle corn, and apple cider donuts made on site. Purchase tickets online. $19.95, free age 3 and under. Entry includes most activities. Lone Creek Farms, Franktown.

Maize in the City

Through Oct. 31; Thu through Sun until Oct. 18, then open daily; see online for details.

This family-favorite rural fall event features a 20-acre corn maze, mini maze, corn launcher, sand art, and barrel ride. Farmer-owned, the site also offers a variety of locally grown pumpkins, gourds, and other fall decor for purchase. Free entry; $12 adult, $9 youth corn maze; $4 youth mini maze; free-$20 all other attractions. Maize in the City, Thornton.

Mazzotti Farms Corn Maze and Pumpkin Patch

Oct. 2 to 24; Sat and Sun, 10 a.m. to 5 p.m.

Try your hand at fashioning a scarecrow ($40, materials provided), wind through a corn maze, and visit with some animals on site. One pumpkin included per paid admission; fall decorating items including gourds, straw bales, and corn are also available. $12, free under age 2. Mazzotti Farms, Hudson.

Miller Farms Fall Harvest Festival

Through Nov. 14, 9 a.m. to 6 p.m.

Pick your own veggies, go through the corn maze, climb the dirt hill, and celebrate harvest season on an ample farm. Visit “Antique Alley,” dive into the “Croc-pit” (chopped-up Croc shoes), then enjoy a picnic lunch. $25 (harvest ride) age 14 and up, $15 ages 4-14, free under age 4. Miller Farms, Plateville.

Miners’ Pumpkin Patch

Oct. 9 through 30; Sat., 9 a.m. to 4 p.m.

Head to the Miners’ patch and enjoy pumpkin picking, hay rides, spooky stories, lawn games, and apple cider press concessions. $10 admission (online purchase), $12 admission (in person), includes all activities and a pumpkin. Western Museum of Mining & Industry, Colorado Springs.

Osborn Farm Pumpkin Patch

Through Oct. 31, 10 a.m. to 6 p.m.

This family-run farm offers heaps of pumpkins, gourds, corn, and straw bales, all available for picking and purchasing. Hay rides are offered on Saturdays and Sundays. Free parking and admission; on-leash dogs are allowed. Free entry, produce prices vary. Osborn Farm, Loveland.

Pumpkin Festival

Oct. 8 to 10, 9 a.m. to 4 p.m.

Enjoy a day of fall activities including the chance to pick a pumpkin from a 10-acre patch and do family activities while listening to live entertainment and munching on local foods. $12 adult; $10 adult member, youth ages 3-15; $7 youth member. Chatfield Farms, Littleton.

Reynolds Ranch House Harvest Festival

Oct. 2, 9 a.m. to 4 p.m.; Oct. 3, noon to 4 p.m.

Level up the Miners’ pumpkin patch with additional live music, petting zoo, and food trucks. $10 admission, $5 per pumpkin. Western Museum of Mining & Industry, Colorado Springs.

Rock Ledge Ranch Harvest Festival

Oct. 2, 10 a.m. to 5 p.m.

The Ranch is filled with activities in the crisp autumn air. Take a wagon ride with the family, listen to old-time music, pick a pumpkin to take home, scramble for candy, kick back on the lawn with a slice of pie, and take a tour of the historic homes. Credit cards accepted for admission and the general store, plan to have small bills on hand for concessions. $8.50 adult, $5.50 senior, $4.50 youth ages 6-17, free age 5 and under; $5 per pumpkin. Rock Ledge Ranch Historic Site at Garden of the Gods, Colorado Springs.

Rocky Mountain Pumpkin Ranch Pumpkin Carnival

Through Oct. 31, 9 a.m. to 6 p.m.; Mon through Fri patch and limited activities, Sat and Sun patch and full carnival open

Come for the certified organic pumpkins and winter squash; stay for the hay maze, petting zoo, and carnival rides geared toward young kids and adults who like to play. Snag a snack from food trucks and vendors selling funnel cakes, cotton candy, brats, and pretzels on weekends. Free admission, $1-$8 per activity. Rocky Mountain Pumpkin Ranch, Longmont.

Schweiger Ranch Fall Festival

Oct. 9, 10 a.m. to 2 p.m.

Explore the historic Ranch while taking part in s’more roasting, horse carriage rides, and pumpkin picking. Pumpkins $5 each. Schweiger Ranch, Lone Tree.

U-Pick-Em Pumpkins

Through Oct. 31, 9 a.m. to 6 p.m.

Choose the perfect pumpkin at this 120-acre patch. Grab cornstalks, crisp straw bales, goofy gourds, and bright Indian corn to keep the pumpkin company. Then, take a tour through the corn and hay bale mazes and visit with farm animals. See online for details and safety updates. Free admission, pumpkin and vendor prices vary. Rock Creek Farm, Broomfield.

Wishing Star Farm Pumpkin Patch

Through Nov. 1, 9 a.m. to 5 p.m.

Spin in tire swings, race through a straw maze, climb a wall, jump on a giant pillow, and make a baby goat your pal. It’s all possible at this fall playground. After working up an appetite, settle in for a picnic of your own creation or sourced from concessions. No reservations required. $10 admission includes activities, $5 per pumpkin, $5 pony ride. Wishing Star Farm, Ellicott.

Enchanting Events

Boo at the Bridge

Oct. 23, 4 to 7:30 p.m.

Take your trick-or-treaters to the thousand-foot plunging Royal Gorge and America’s Bridge. Local businesses and non-profits will fill bags and buckets with tasty treats. The Seven Falls Indian Dancers will entertain guests with exhibition and social dances. Visitors with inventive costumes are invited to enter a contest by snapping a picture at a photo-op location and posting to Instagram. $11 online, $13 at the door, $8 season pass holder, free age 3 and under. Royal Gorge Bridge, Cañon City.

Cider Days

Oct. 2 and 3, 10 a.m. to 5 p.m.

Celebrate Lakewood’s agricultural heritage with a mix of live performances, activities, and harvest treats. Enjoy wagon and barrel train rides, historic demonstrations, and other children’s attractions. Go on an “everything apple” food adventure through apple pressing, cider by the glass or gallon, and Apple Annie’s Baking Challenge on Sunday. Purchase tickets online. $6-$10. Heritage Lakewood Belmar Park, Lakewood.

Cosmic Costume Skate

Oct. 30, 6:30 to 8 p.m.

Glide around the ice rink as your most graceful goblin, alien, or movie character. This event features a costume contest with a variety of categories, plus skating to Halloween themed music. $6 admission, $3 skate rental. Greeley Ice Haus, Greeley.

Glow at the Gardens

Oct. 19 to 24, 6 to 8:30 p.m. timed entry

Check out the Botanic Gardens’ Halloween costume—a luminous landscape filled with pumpkins. Purchase timed tickets online. $17-$23, free age 2 and under (no ticket required). Denver Botanic Gardens York Street, Denver.

Four Mile Historic Park Pumpkin Harvest Festival

Oct. 1, 5 to 8 p.m.; Oct. 2, 9 a.m. to 8 p.m.; Oct. 3, 9 a.m. to 5 p.m.

The usual prairie fall-themed games, art depot, artisan demonstrations, live music, and marketplace are back at Four Mile’s festival. Build Your Own Scarecrow is back by popular demand; kids can stuff, dress, and decorate their own pal. Don’t miss out on new attractions including ax throwing, s’mores, and an Inventing Room where you can order hot cider with exploding whipped cream or pumpkin-spice space foam treats. Purchase tickets online. $8-$16 general admission, $35-$50 VIP admission. Four Mile Historic Park, Denver.

Halloween at the Denver Firefighters Museum

Oct 30, 10 a.m. to 4 p.m.

Kids in costume get in free to the Museum. Denver Firefighters Museum, Denver.

Halloween Spooktacular

Oct. 30, 2:30 p.m.

This family-favorite concert features music from films and television. Costumes are encouraged (even the musicians get in on the festivities). Find tickets online. $27 adult, $10 child. Boettcher Concert Hall, Denver.

Harvest Haunt

Oct. 23 and 24; 9 a.m. to 5 p.m. museum, 10 a.m. to 3 p.m., rides and attractions

All aboard the Trick or Treat Train—a 1899 vintage Rio Grande Southern steam locomotive—at the Colorado Railroad Museum. Tickle your funny bones at the “not so spooky” Haunted Railcar and the Olde Railroaders Silly Graveyard. Enjoy live musical entertainment, grab a tasty snack, and snap photos with the family in front of harvest-decorated locomotives and railcars. Purchase tickets online. $10 adult, $5 youth ages 2-17, free Museum members and children under age 2. Free-$4 train rides. Colorado Railroad Museum, Golden.

Haunted Hayrides

Oct. 29 and 30, 6 to 9 p.m., rides every 30 minutes

Start your journey inside a barn to play games, pet animals, and snag refreshments. Hop on a wagon to hear a professional storyteller narrate spooky tales as you rumble through graveyards. Funds help 4H kids pay for animal projects they will take to the county fair. Reserve online. $14, free age 2 and under. Stockton’s Plum Creek Stables, Littleton.

The Magic of the Jack O’Lanterns

Oct.1 through 31; Thu to Sun; 6:15 to 7 p.m. open, Fri and Sat 9:30 p.m. close, Thu and Sun 9 p.m. close

The glow of 5,000 hand-carved pumpkins will delight adults and children alike; themed displays include a carnival, sea-scape, dinosaurs, and dragons. Find tickets online. $15 and up adult, $11 and up child. Hudson Gardens, Littleton. hudsongardens.org

A Nightmare on Grant Street

Oct. 23; 3 to 4:30 p.m. matinee, 7 to 9 p.m. adult only

Join Draculotta, her Bride, and their trusty butler Pennydreadful as they host a Halloween party you’ll never forget. Get in on the fun and show off your own Halloween costume. Snacks and drinks will be available at both shows for donation. The matinee is great for all ages, the evening show is adults only. Purchase tickets online. $16.50 adult, $6.50 child. Historic Grant Avenue Sanctuary, Denver.

The Legend of Sleepy Hollow

Oct. 9 to 30; Sat, 1 p.m.; Oct. 23 and 30, additional 11 a.m. showing

Get your goosebumps going by viewing this spooky gothic tale featuring a character known as the Headless Horseman. The play is about an hour long. Masks will be worn in the theatre during the show. Purchase tickets online. Pay it forward pricing allows patrons to choose what they wish to pay per ticket: free, $6, $12 (regular price), $24, or $50. Miners Alley Playhouse, Golden.

Pumpkin Nights

Oct. 17 to Nov. 3; 5:30 to 10:30 p.m.

Venture to this magical land of pumpkin art, featuring over 3,000 hand-carved real and synthetic gourds shaped into a pirate’s cove, a large dragon, and other whimsical shapes. The celebration continues with entertainment and games in Pumpkin Central, the festival area. Purchase tickets online. $17-$20 adult, $14-26 ages 4-12, free age 3 and under; $60-$65 family pack (two adults, two kids). Adams County Fairgrounds, Brighton.

Pumpkins on Parade

Oct 21. to 24, 6 to 9 p.m.

Enter a community carving contest, and meander through hundreds of pumpkins and gourds arranged artistically across the gardens. Costumes are encouraged. Purchase tickets online. $10 age 12 and up, $5 ages 5-11, free age 4 and under. The Gardens on Spring Creek, Fort Collins.

Fall Flannel Festival

Oct. 17, 11 a.m. to 2 p.m.

Gather at the Dairy Block Alley for a festive lineup of events for all ages including live music, a balloon artist, photo booth, and scarecrow installations. Denver Milk Market and other Dairy Block establishments will serve seasonal food and drink specials, and each child will receive a bag full of individually wrapped candy to enjoy at home. Dairy Block Alley, Denver.

STAR Halloween Dance

Oct. 15, 6:30 to 8:30 p.m.

Dress up in your best costume and dance with friends to the latest tunes. South Suburban Therapeutic Adaptive Recreation (STAR) programs are designed for individuals with disabilities. Register online. $8. Buck Recreation Center, Littleton.

Victorian Horrors

Oct. 14 to 30, Thu through Sat, 6 to 9 p.m. entry times

Listen to scary tales, creep from room to room, and commune with spirits from the Victorian past. Age 12 and up. $20. Molly Brown House, Denver.

WOW!’s Halloween Party

Oct. 29, 5:30 to 7:30 p.m.

Come dressed in costume for family friendly Halloween fun including a build-a-monster craft, spooky science experiments, games, and giveaways. Ages 11 and under. Purchase tickets online. $6 adult, $11 youth, $7 member youth. WOW! Children’s Museum, Lafayette.

Spooky Screenings

The Addams Family Movie Night

Oct. 29, 6 p.m. to 9 p.m.

Watch a classic film to ring in Hallows Eve. The Addams Family is set in an eccentric household that includes Gomez and Morticia, their diabolical offspring Wednesday and Pugsley, manservant Lurch, and Thing, a disembodied hand that serves as the family pet. In this tale, two strangers try to dupe the family out of their fortune. Enjoy a movie night at the park with concessions and lawn games. No outside food or beverages are permitted. Register online. $10 general admission, free age 2 and under and Museum of Outdoor Art members. Marjorie Park, Greenwood Village.

Beetlejuice Movie Night

Oct. 16, 6 p.m. to 9 p.m.

Enjoy a Halloween themed movie within Marjorie Park featuring carnival fare from Wyly Coyote Concessions, hot drinks, and yard games. Beetlejuice features a happy couple who die in a car accident and must haunt their old home while waiting to be processed into heaven. Too nice to be scary, they befriend the new tenant’s daughter. No outside food or beverages are permitted. $10 general admission, free age 2 and under and Museum of Outdoor Art members. Marjorie Park, Greenwood Village.

Flick or Treat

Oct. 30, 2:30 to 8:30 p.m.

Kick off the evening with trick-or-treating through the historic buildings of Heritage Lakewood Belmar Park followed by a costume party at The Beer Garden and a special Halloween viewing of the movie, Hocus Pocus, under the moonlight. An inclusive trick-or-treating area with sensorimotor adaptations will be available. Reserve tickets online. Free entry. Heritage Lakewood Belmar Park, Lakewood.

Hocus Pocus Movie Night

Oct. 28, 6 p.m. to 9 p.m.

Settle in for a spooky movie under the stars. Hocus Pocus follows 17th-century witches, who are resurrected on Halloween in modern-day Salem by an unsuspecting boy, who must now figure out how to get them back in the ground. Don’t forget to snag hot drinks and carnival concessions, and play some yard games on site. No outside food or beverages are permitted. Register online. $10 general admission, free age 2 and under and Museum of Outdoor Art members. Marjorie Park, Greenwood Village.

Scary Stories Book Talk with Christian McKay Heidiker

Oct. 28, 6 p.m.

Time to set a spooky scene with Christian McKay Heidicker, author of Scary Stories for Young Foxes: The City. Snuggle up with some popcorn and your family to watch him read on the big screen. Ages 6-14. Free, books available for purchase. Second Star to the Right Bookstore, Denver.

Dia de los Muertos

Bilingual Stories: Day of the Dead

Oct. 14, 5 to 6 p.m.

Hear tales from Mexico, including The Hungry Goddess, What the Dogs Saw, and Calaveras. This interactive show will be presented in English and Spanish. Register online. // Escuche cuentos de México, como La diosa hambrienta, Lo que vieron los perros, y Calaveras. Este espectáculo interactivo será presentado en inglés y español. Registro en línea. // Virtual.

Day of the Dead 5K/10K Run/Walk

Oct. 24; 8 a.m. to 9 a.m. 5K starts, 9 a.m. 10K

Get moving with the family in honor of Día de los Muertos, and benefit Denver’s Latino Leadership Institute. Participants will receive a race shirt, finishers medal, photo downloads, and access to an assortment of goodies at the finish. Register online $32-$50. City Park, Denver.

Day of the Dead Family Celebration

Oct. 9, 2 to 10:30 p.m.

This street festival will include music and dance performances, arts and craft activities, cultural education, food, altars, the Gigantes Procession, and the Firehouse Art Center’s Catrina Ball. Día de los Muertos exhibitions at the Longmont Museum and Firehouse will also be open and free. Free fiesta, $15 general admission to Catrina Ball. Downtown Longmont, Longmont.

Día de los Muertos Exhibition

Oct. 9 to Nov. 7, Mon through Sat, 9 a.m. to 5 p.m.; Thu, 9 a.m. to 9 p.m.; Sun, 1 to 5 p.m.

Longmont artist Mario Olvera’s work will anchor this year’s Día de los Muertos display, also featuring ofrendas (altars) built by community members. Longmont Museum, Longmont.

Ofrendas Workshops

Through Nov. 2; Dates and times vary, see online for details.

The Latino Cultural Arts Center’s Ofrendas art workshops introduce participants to essential pieces found on traditional altars, including nichos (diorama boxes), barriletes (kites), sugar skull incense holders, and more. Learn about the ancient roots of Mesoamerican traditions, and develop resiliency through grieving and celebrating lost loved ones. Register online. Free to $50.Various locations around Denver and the Front Range.

Seedlings: Dia de Muertos Storytelling and Butterfly Activity

Nov. 2, 9:30 a.m. and 11 a.m.

Join the Mexican Cultural Center for a family storytime, featuring I Remember Abuelito: A Day of the Dead Story by Janice Levy, followed by an interactive butterfly craft activity. Purchase tickets online. $3, free age 1 and under. Lone Tree Arts Center, Lone Tree.

Thornton’s 5th Annual Dia de los Muertos

Nov. 6, noon to 5 p.m.

Celebrate Day of the Dead with face painting, stilt walkers, Thornton Youth Dancers, local food vendors, an art market, and music. Don’t forget to bring an ancestor picture for the ofrenda. Free admission, vendor prices vary. McAllister Park Center, Thornton.

10th Annual Día de los Muertos Celebration

Nov. 6, 9 a.m. to 4 p.m.

Celebrate Día de los Muertos with altars, entertainment, and related programs. Find timed tickets online. $15 adult, $11.50 seniors and military, free age 15 and under. Denver Botanic Gardens York Street, Denver.

Neigh-boo-hood Haunts

Boo! on Briggs Street

Oct. 23, 4 to 7 p.m.

Enjoy a spook-tacular time with the entire family at this trick-or-treat event. Briggs Street, Downtown Erie.

BOO-rific Bash & Splash

Oct. 29, 5 to 7 p.m.

Bring the whole family to this fun and safe indoor trick-or-treating event. Children can dress in full costume, trick-or-treat among community business tables, and change into their swimsuit for a dip in the pool. $5 youth, free adult; pay at the door. Ridge Recreation Center, Littleton.

Boos Cruise

Oct. 29, 3 to 7 p.m.

Don your best costume and prepare for spooks and sweets at this family-friendly trunk-or-treat event. Register online. Aurora Sports Park, Aurora.

Downtown Boulder’s Munchkin Masquerade

Oct. 31, 3 to 6 p.m.

Invade Downtown Boulder with your crew of ghosts, dinosaurs, fairies, princes, and superheroes, and trick-or-treat along Pearl Street. Recommended for children ages 12 and under; masks are strongly recommended. Pearl Street Mall, Boulder.

Halloween Hoopla

Oct. 30 and 31, 9 a.m. to 4 p.m.

Enjoy open play, a costume parade every two hours, entertainment, treats, pizza, and snacks at this creative play space. Reserve online. $16 youth, free for two adults, $5 additional adult. Kids Wonder, Centennial.

Last Stop at the Highlands Ranch Mansion

Oct. 31, 6:30 to 9 p.m.

Trick-or-treat at this mansion’s grand door, then enter the outdoor party where a cash bar, music, dancing, and spooky effects add to the fun. All ages. Highlands Ranch Mansion, Highlands Ranch.

NoCo’s Greatest Drive-Thru Trick-or-Treat Experience

Oct. 30, 10 a.m. to 2:30 p.m.

Drive slowly through a series of Halloween scenes decorated by local businesses, schools, and nonprofits. Help raise funds for Thompson Education Foundation. Register online. $5 per vehicle. Thompson School District Administration Office, Loveland.

Olde Town Arvada’s Trick or Treat Street

Oct. 29, 5 p.m. to 7 p.m.

Bring your little monsters, goblins, and ghouls to Olde Town Arvada for this sweet annual event. No reservations needed. All JeffCo Public Health Guidelines will be followed, anyone unvaccinated (adult or child) should wear a mask. Olde Town Square, Arvada.

Parker Fall Fest

Through Oct. 2, see online for details.

Usher in fall with the Town of Parker. Visit a selfie station, search for a live scarecrow, and find hidden pumpkins in a town scavenger hunt. Downtown Parker, Parker.

Parker Porch Parade

Oct. 23 to 31

Spook up Parker’s streets by decorating your house exterior for Halloween, and get the chance to win a prize. The Town of Parker will produce a virtual map with locations of registered porches so you can plan a walk or drive around the community to share in the celebration. Town of Parker, Parker.

Trunk-or-Treat

Oct. 23, 3 to 6 p.m.

Strut your stuff (in costume) to the tune of festive music and move through a maze of trunks handing out treats. Vote on your favorite trunk. Reserve online. Englewood Civic Center, Englewood.

Partying with Beasts

Boo at the Zoo

Oct. 16 and 17, 23 and 24, 29 and 31; 4 to 8:30 p.m.

Prowl around the zoo and see the creatures of the night with special animal exhibits open late. Come in costume, and don’t forget a treat bag; all the candy given here is made with sustainable palm oil to help protect wild orangutans. The haunted house is appropriate for ages 6 and up, with parental discretion. The chairlift-style, open-air Sky Ride helps visitors see spectacular views of the Zoo, Cheyenne Mountain, Colorado Springs, and the Eastern Plains. Purchase tickets online. Activities included with general zoo admission: $19.75 members, $24.75 non-members, free under age 3. $3 sky ride. Cheyenne Mountain Zoo, Colorado Springs.

Bug-A-Boo

Oct. 22 and 23, 29 and 30; 9 a.m. to 8 p.m.

Put on your best Halloween costume and join Butterfly Pavilion for a socially distanced trick-or-treating experience. Enjoy candy stations, prizes, and exhibit access. Age 5 and up. Purchase tickets online. $13 adult, $9 youth ages 2-12, SNAP and EBT will be accepted. Butterfly Pavilion, Westminster.

Halloween Kids Fest

Oct. 29 and 30, 9 a.m. to 10 p.m.; Oct. 31, 9 a.m. to 9 p.m.

Join Sharkey and his friends for not-so-haunted train rides, pumpkin painting, monster mural coloring, science experiments, and shows. Kids in costume get a 50 percent off exhibit entry with adult ticket purchase. $24 adult, $9 youth ages 3-11 in costume, with adult entry, free age 2 and under. Downtown Aquarium, Denver.

Howl-O-Ween

Oct. 31, 4 to 6 p.m.

Watch as meat-filled pumpkins are passed to the wolves to eat. Enjoy a bonfire and refreshments. Reservations required. $40, $20 ages 6-11. Colorado Wolf and Wildlife Center, Divide.

Wild Fall

Oct. 1 through 31. Daily; 8:30am open for members, 10am open to the public; closing hours vary by day.

Explore the Zoo to find convincing evidence that mythical beasts walk among us. Wear costumes and enjoy creature-carved pumpkins, festive food and drink, and special animal demos that connect supernatural beings to the real-life natural world. Included with admission: $20 adult, seniors; $14 child ages 3-11; free age 2 and under and members. Denver Zoo, Denver.