Halloween is in full swing throughout the Tristate and there's no reason to wait till month's end to celebrate. Beware "” some events are family friendly and others are only suitable for teens and the heartiest of those a good bit older.

Cincinnati Zoo's HallZOOween (pictured)
Through Oct. 24

Youngsters can trick-or-treat around the zoo, watch Phil Dalton's Theater of Illusion, pick a pumpkin at Frisch's Pumpkin Patch and visit the Beauty Shop of Horrors. Costumes are encouraged, but not required. 3400 Vine St., Avondale. Noon to 5 p.m. Saturdays and Sundays. Included with regular zoo admission of $14 adults, $9 children ages 2 through 12. (513) 475-6164 or www.cincinnatizoo.org.

Coney's Fall-O-Ween Festival
Through Oct. 10

A family-friendly festival offers pumpkin painting, "apple pie school" and a petting zoo. Kids can come in costume to walk along the "Trick or Treat Trail." 6201 Kellogg Ave., Cincinnati. Noon to 6 p.m. Saturdays and Sundays. $10 adults, $7 children 12 & under, free for children under two, unless they participate in the Trick or Treat Trail. (513) 232-8230 or www.coneyislandpark.com.

Dent Schoolhouse
Through Oct. 31

The gruesome story of missing schoolhouse students adds fuel to the fire at this haunted house. The new Detention Hall promises more scream-worthy moments. Two "Lights On" tours are held 5:30 to 7:30 p.m. Oct. 24 and 31 for kids and people interested in seeing the details of the school. 5963 Harrison Ave., Dent. 7:30 to midnight Fridays and Saturdays, 7:30 to 10 p.m. Sundays and Thursdays. $15 schoolhouse only, $20 schoolhouse and Detention Hall. $25 schoolhouse Fast Pass, $30 schoolhouse and Detention Hall Fast Pass. (513) 598-4600 or www.frightsite.com.

Kings Island Halloween Haunt
Through Oct. 30

Find your way "” or not "” in the indoor mazes including "Slaughter House," ride the roller coasters and enjoy the music show "Hot Blooded." Expect more blood, gore and frights than ever. 6300 Kings Island Drive, Mason. 7 p.m. to 1 a.m. Fridays and Saturdays. $21.99 Fridays, $27.99 Saturdays if purchased online. $34.99 Fridays, $48.99 Saturdays at the gate (513) 754-5700 or www.haunt.visitkingsisland.com.

Land of Illusion
Through Oct. 31

Hike the Haunted Trail or explore Dr. Psycho's Haunted Estate built on top of a cemetery filled with the twisted souls. New this year is Club Zombie, where you can chill with the undead at a dance party to "die" for. 8762 Thomas Road, Middletown. 8 p.m. to 2 a.m. Fridays and Saturdays, 8 to 11:30 p.m. Sundays. $29.95 general admission, $34.95 VIP Fast, $24.95 Sunday admission. Online discounts. (513) 423-9960 or www.thelandofillusion.com.

Newport Aquarium Ghosts of Pirates Cove
Oct. 23-31

Halloween at the Aquarium sounds a little fishy, but it's sure to be fun for kids. Beware of Captain Dubloon. 1 Aquarium Way, Newport. 10 a.m. to 6 p.m. Saturdays and Sundays. $22, $15 ages 2-12, children 2 and under free. Up to four kids dressed in costume get in for $5. (859) 261-7444 or www.newportaquarium.com.

St. Rita's Haunted House
Oct. 1-31

Former boys dorm at the Civil War-era farmhouse on the grounds of St. Rita's School for the Deaf features 16 rooms of fear and costumed characters. Children's "Lights On" matinee 3 to 5 p.m. Oct. 24-25 for $2. 1720 Glendale-Milford Road, Evendale. 7 to 11 p.m. Fridays and Saturdays. 7 to 10 p.m. Sundays and Thursdays. $10. Discounts online. (513) 771-1060 or www.srsfeaf.org.

Sharon Woods Haunted Village
Through Oct. 30

The village pays homage to Sleepy Hollow with a slight-fright experience for children with witches, storytellers, mazes and wagon rides. Trick-or-treat in the historic buildings. I-275 (exit 46) at U.S. Route 42 (11450 Lebanon Pike), Sharonville. 6 to 10 p.m. Fridays and Saturdays. $10 adults, $5 toddler to 11. (513) 563-9484 or www.heritagevillagecincinnati.org.

USS Nightmare @ Riverboat Row
Through Oct. 31

Very scary, very cool. Watch out for the Rat Lady and Creepy Captain as you navigate the haunted steamboat on the shores of the Ohio River. Riverboat Row, Newport. 7 p.m. to 1 a.m. Fridays and Saturdays. 7 to 11 p.m. on Sundays, Wednesdays and Thursdays. $16, $20 for V.I.P. fast pass. "Lights On" children's "easy on the gore" matinee, 4 to 6 p.m. Oct. 24 for $6. (859) 261-8500 or www.ussnightmare.com