Beastly Bones & Sinister Skulls: Learn how to identify skulls and pelts of Michigan mammals and create a realistic mammal mask to take home. For children in third grade and up. 1 p.m. Fri. Indian Springs Metropark Environmental Discovery Center, 5200 Indian Trail, White Lake Twp. $3 per person. Register. 248-625-7280.
Bowling Spooktacular with Louis Delmas and Charlie Villanueva: Halloween fund-raiser features a bowling tournament, costume contest and an opportunity for fans to interact with the players and their teammates. Detroit Lions safety Louis Delmas’ foundation is committed to children living in poverty and underprivileged communities. The Charlie Villanueva Foundation has three main areas of focus: supporting programs that help eliminate bullying, assisting families affected by alopecia areata and assisting poor families in the Dominican Republic. 7:30 p.m.-midnight Mon. Emagine Theatre, Star Lanes, 200 N. Main, Royal Oak. $20 and up. 248-514-9620. http://bowlingspooktacular.eventbrite.com
Calling All Souls: A Halloween History: Discover how pumpkins, costumes, tricks and treats became part of the American tradition at the Marshland Museum & Nature Center. 2 p.m. Sat. Lake Erie Metropark, 32481 W. Jefferson, Brownstown Twp. $3 per person. Register. 734-379-5020.
HalloWeekends: Featuring haunted houses, fright zones, magicians, live shows, parades and some roller-coaster rides. Through Sun. Cedar Point, One Cedar Point Drive, Sandusky. $49.99, $24.99 junior or senior. 419-627-2350.
Halloween Fun Day: Movie at Farmington Civic Theater (title to be announced) and trick-or-treating at participating businesses. Noon-4 p.m. Sat. Grand River & Farmington Road, Farmington. 248-473-7276. www.downtownfarmington.org.
Halloween Ghosts & Goodies: 5-9 p.m. Fri., noon-9 p.m. Sat.-Sun., 5 p.m. Mon. Crossroads Village & Huckleberry Railroad, 6140 Bray, Flint. $13 for village admission and train or boat ride. Younger than 1 year free. 800-648-7275.
Halloween Hauntings: Eerie activities, slightly haunted barn, visit with miller’s ghost, a straw tunnel, music and light show, spooky crafts, cider and donuts at a bonfire. At the Historic Center. 6-8 p.m. Oct. 21-22. Wolcott Mill Metropark, 63841 Wolcott, Ray Twp. $2, $5 children up to 16 years. Register. 800-477-3175.
Halloween Happenings: Screening of “How to Train Your Dragon,” see the art galleries, trick-or-treat when you see roaming artworks, and make take-home projects. 11 a.m.-4 p.m. Sat. Flint Institute of Arts, 1120 E. Kearsley, Flint. Free. Costumes encouraged. 810-234-1695.
Halloween in Greenfield Village: A turn-of-the-20th Century holiday tour visits famous characters from the past. Wear a costume and go trick-or-treating. Food concessions available. 6:30-9:30 p.m. Fri.-Sat., 6:30-8 p.m. Sun. Greenfield Village, 20900 Oakwood, Dearborn. $15, $12.75 members. 313-982-6001. www.hfmgv.org
Halloween Kids Fest & Trick-or-Treating: The Halloween Kids Fest will take place on the lower level near Guest Services 1-5 p.m. Sat. There will be make-and-take crafts, face painting, prizes, special retailer offers and more. The mall will also host trick-or-treating for kids throughout the center from 6 to 8 p.m. Kids ages 2-12 are welcome and encouraged to wear costumes. Lakeside Mall, 14000 Lakeside Circle, Sterling Heights. Free. Children must be accompanied by an adult. 586-247-1590. www.shop-lakesidemall.com
Halloween Monster Mash Family Party: There will be dancing, inflatables, petting farm, airbrush tattoos, palm readings, mad scientist projects, sandy candy and more. 7-9 p.m. Fri. Roseville Recreation Center, 18185 Sycamore, Roseville. $10 per person. Register. 586-445-5480.
Halloween Science: Dr. Kelp zombie research, science demo stations, make-and-take activities, a scavenger hunt, trick-or-treating. Outside, the institute’s three-ton trebuchet, a modern version of a medieval siege weapon, will hurl objects into the air. Costumes encouraged. 2-4 p.m. & 6-8 p.m. Sat. Cranbrook Institute of Science, 39221 N. Woodward, Bloomfield Hills. $13 children, $2 adult members; $16, $5 nonmembers. Register. 248-645-3210.
Museum Mystery Tours: Follow the trail to spaces featuring eerie lighting, sounds in the dark and more. For families with children ages 5 and older. Costumes encouraged. 1-4:30 p.m. Sat.-Sun. Detroit Institute of Arts, 5200 Woodward, Detroit. Free with museum admission: $8, $6 seniors, $5 college students with ID, $4 ages 6-17, free ages 5 and younger and DIA members. 313-833-7900.
Spidermania: See a variety of live Michigan spiders, tarantulas and spider relatives as well as other creepy-crawlies. Ask spider questions and learn about the accuracy of some common spider myths. Children and adults can make a spider craft, view them through microscopes and visit a costumed spider character. 1-2:30 p.m. Sat. Burgess-Shadbush Nature Center, 4101 River Bends, Shelby Twp. Register, but walk-ins are welcome. 586-323-2478 http://www.shelbytwp.org/departments/prm/docs/2011_Fall_NC_Events.pdf
Spooky Doo Party: Read spooky stories, make a craft to take home, play games and have cider and doughnuts. Kids will trick-or-treat at the gazebo. 5:30 p.m. Sun. Franklin Public Library, 32455 Franklin, Franklin. 248-851-2254.
3rd annual Trunk or Treat: Trunk-or-treating, games, crafts, warming tent, hot dogs, snacks and beverages for purchase. Each family with participating children must bring treats to pass out. Prize for best decorated trunk. Noon-2 p.m. Sat. Cherry Creek Golf Club and Banquet Center, 52000 Cherry Creek, Shelby Twp. Register with number of children attending. 586-731-0300 or firstname.lastname@example.org.
Tranquilizing 23rd annual Pumpkin Patch: Treats, creatures and surprises on Park Avenue. Supported by local business and organizations. 5-8 p.m. Mon. Allen Park Elks Lodge #2194, 6605 Park, Allen Park. 313-928-1190.
Treats in the Street: Businesses will have vehicles, trucks and tents decorated in the municipal parking lot while they pass out candy. Food, entertainment. 5-7 p.m. Mon. Richmond City Hall, 68225 Main, Richmond. 586-727-3266.
Treats in the Streets: Free for ages 12 and younger in costume. Pumpkin decorating, refreshments, history and scavenger hunt, and ventriloquist Richard Paul. Noon-3 p.m. Sun. Detroit Historical Museum, 5401 Woodward, Detroit. 313-833-1805.
Trick-or-Treat: 5-8 p.m. Fri. Biddle, downtown Wyandotte.
Trick-or-Treat Parade: Costumed children will follow a trick-or-treat path, one for young children, and one for those who dare visit the spooky trail. To reduce wait time, residents are encouraged to pick up a Fast Pass from the Summit front desk. 4-7 p.m. Fri. Summit on the Park, 46000 Summit Pkwy., Canton. $5 suggested donation per Canton resident family, $10 nonresident. 734-394-5460. www.cantonfun.org
Trick-or-Treat: Legends, Tall Tales & Heroes. Park at Zion Church, 3886 Livernois, then ride the free shuttle bus to Troy Historical Village. Children will trick-or-treat from building to building and listen to tall tales told by Paul Bunyan. 1-3 p.m. Sat. Troy Museum and Historic Village, 60 W. Wattles, Troy. $5. Free admission for costumed children 12 and younger when accompanied by an adult. 248-652-3570.
Twilight Tromps: Haunt Jaunt: Explore myths surrounding feared creatures and discover how they’re not as frightening as they appear. With live animal presentation, night hike and activity. 8-10:30 p.m. Fri. Binder Park Zoo, 7400 Division, Battle Creek. $15 per person. Register. Shannon: 269-979-1351, ext. 174.
28th annual Spooktacular: Parents are invited to bring their children, in Halloween costumes, trick-or-treating at downtown businesses. Over 60 businesses will be offering candy and goodies with some businesses offering specials. 2-4 p.m. Sun. Main and 4th, downtown Royal Oak. 248-246-3065. www.downtownroyaloak.org
Zoo Boo: Annual family-friendly Halloween event. Live entertainment, games, arts and crafts, hay maze, haunted reptile house, trick-or-treating. Rain or shine. Making its debut this fall is the Detroit Zoo’s carousel. Ride on a sea lion, a rabbit or T. rex. Also featuring the Zoo Boo Revue, a live Broadway-style musical stage show starring a witch and her spooky friends. 6-8 p.m. Fri.-Sun. Detroit Zoo, 8450 W. Ten Mile, Royal Oak. $7 advance, $10 on event day. Half-hour time slots 6-8 p.m. 248-541-5717.