8:00 a.m.-3:00 p.m. The 21st annual Humane Society of Missouri Bark in the Park is May 18, 2013 in Forest Park. Bark in the Park is the largest dog walk and festival in the Midwest. Join thousands of dog lovers at Cricket Field in Forest Park and raise money for animals in need. Proceeds benefit the Humane Society of Missouri Animal Cruelty Fund. Visit www.hsmo.org/bark for details and to register and Bark in the Park schedule for events of the day.