Partcipating Zoo discounts from Better Homes and Gardens (printable)
Found this in the latest issue of Better Homes and Gardens. Discounts vary per zoo.
Participating zoos are......
Baltimore Zoo, Los Angeles Zoo, Columbus Zoo and Aquarium, Lowry Park Zoo, Houston Zoo and Aquarium, North Carolina Zoological Park, Kansas City Zoo, Oakland Zoo, Knoxville Zoological Gardens, and Zoo New England