This non-scary event at the Saint Louis Zoo includes Haunted Hollow, crafts, night hikes, the not-so-spooky "Scare-ou-sel" and the show Halloween Hank's Pirate Adventure, which features animals performing natural behaviors. As part of the events, on Oct. 29, the zoo hosts Mercy Children's Hospital Boo at the Zoo Spooky Saturday, which includes a full day of Halloween events
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