The Seaside’s Youth Resource Center and Avenue of Flags will hold the annual Halloween Bonanza in Seaside on Halloween night. This event will feature a Haunted House, costume contest, interactive crafts, face painting and more. The Halloween Bonanza will be held at the Oldemeyer Center located at 986 Hilby Avenue from 6 to 9 P-M. This family friendly event is free and open to the public.