Article Photos: What to do in Oklahoma on Oct. 31, 2012: Happy Halloween! Celebrate at Haunt the Zoo 1/1

 Zavior Jones, 2, of Piedmont, rides on his father Benjamin Jones' shoulders as they wait in a line before Haunt the Zoo at the Oklahoma City Zoo in Oklahoma City on Sunday, Oct. 30, 2011. Photo by John Clanton, The Oklahoman Archives