Have an a-mazing adventure at Shryocks Corn Maze, just off Interstate 70 east of Columbia. Every year, Shryocks Callaway Farms creates incredibly detailed pictures in its cornfield using GPS technology and then invites farm visitors to venture through the elaborate design. The 16-acre maze is wheelchair accessible with compacted dirt paths.
$10 adults, $9 children 5 to 12, free for kids 4 & younger; 4 to 9 p.m. Fridays, 10 to 9 p.m. Saturdays, 2 to 6 p.m. Sundays.
It’s time for some fiendish fun on the Katy Trail with the annual Monster Bike Bash, a costumed bike ride from Columbia to Rocheport. The ride is 17 miles each way, and riders can stop in Huntsdale between 12 and 2 p.m. and enjoy a Halloween Party at Katfish Katy’s. Once in Rocheport, riders can party at Oktoberfest II, the Monster Mash Edition, a free music/beer fest. Free.
The Cruise The Creeks Trail Ride Series presents Bikes and Trees: Capturing the Perfect Fall Photo starting at the Martin Luther King Memorial, MKT Stadium Trailhead. Join fellow cycling and nature enthusiasts and learn about the ecological benefits of trailside flora and fauna and efforts to improve water quality along the city’s 15 watersheds with guest speaker Dan Schneiderjohn. Plan to ride 9–10 miles on gravel trails. Children must be accompanied by an adult; helmets are required. Registration is suggested by calling 573-874-7460 or online. Free.