Maize in the City

This 20-acre labyrinth engages visitors with a smartphone trivia game. At sundown, the winding “maize” morphs into a Haunted Field of Screams. Youngsters can navigate a mini-maze cut from shorter stalks and take a ride on the site’s new train. Open weekdays, 10 a.m. to 6 p.m.; weekends 9 a.m. to 6 p.m., through Oct. 31. 10270 Riverdale Road, Thornton

Anderson Farms

Identify which animal kidnapped Farmer Joe. Punch in at 18 checkpoints plotted over three sections of a maze shaped to honor the farm matriarch, Louise Anderson, who turns 100 this year. Other activities include mini-pumpkin launching and wagon rides to a pumpkin patch. Hours through Oct. 31 vary by day; view them on the online calendar. 6728 County Road 3¼, Erie

Diana’s Pumpkin Patch Corn Maze

For 16 years, this family-owned southeastern patch has been serving up a rousing maze with 45 minutes of twists and turns. This year’s edition was designed and professionally cut into a “Thank You, Farmers” theme by Culver’s Restaurant. Don’t forget to grab a game card at the gate. Open Fridays and Saturdays 10 a.m. to 9 p.m. and Sundays 10 a.m. to 6 p.m. through Oct. 31. 1649 Poplar Ave., Cañon City

The Corn Maze at Chatfield Farms

This 8-acre corn maze invites families to help Farmer Green marshal his lost herd. Fridays, Saturdays and Sundays through Oct. 30, explorers stumble upon life-sized animal cutouts hidden throughout the site. Come dusk, traverse the maze with glow sticks for a non-spooky, after-hours production. A nearby mini-maze is available for young children. Open Fridays and Saturdays 10 a.m. to 8 p.m., last tickets sold at 7 p.m.; Sundays 10 a.m. to 6 p.m., last tickets sold at 5 p.m. 8500 W. Deer Creek Canyon Road, Littleton