The Philadelphia Zoo’s 42-acre Victorian garden is home to more than 1,300 animals, many of them rare and endangered. The Zoo, fulfilling its mission of conservation, science, education and recreation, supports and engages in conservation efforts to protect endangered species around the world. Cheetahs, hippos, giraffes and much more make the Zoo Philadelphia's leading family attraction with over 1.2 million visitors last year.Philadelphia Zoo has reduced rates Dec-Feb. Check sites for full details.