Sunday May 17, 2015 10 AM. Holden City Hall - Hallar Building, 101 West 3rd Street Holden, MO 64040. Animal Wonders is hosting our first, and what we hope will be an annual event, Endangered Species Day Fair 2015. Crafts and activities all day for the kids, live animal displays, experiments, and learn the importance of protecting endangered species. Free for the public to attend!! Guests confirmed with booths include: Buffalo Lodge, Monarch Watch, and O & M Enterprises, Inc. (others to be added, contact if interested).