Superheroes, Teenage Mutant Ninja Turtles and other visitors will drop by the Columbus Zoo and Aquarium for the venue's popular annual Halloween celebration.

Boo at the Zoo will be held Oct. 21-23 and Oct. 28-30. In addition to the chance for children to wear their costumes and visit treat stations, the event offers special animal enrichment activities (in the form of pumpkin smashing), character meet-and-greets, hayrides and more.

Special entertainment includes a "Howl-oween" themed Animals on Safari show; the chance to meet Superman, Batman and those pizza-loving turtles; the Happy Family 4-D movie; Frogwortz Academy Open House and Wizardry 101 Lessons; and Pumpkin Junction, which will host hayrides, seek-n-finds and the Oak Ridge Bears' Halloween Hoedown.

Event hours are 5-9 p.m. Fridays, 10 a.m. to 9 p.m. Saturdays and 10 a.m. to 8 p.m. Sundays. For more information and the event schedule, go to columbuszoo.org.