Aircraft, Animal, Fall, Food + Historical Pictures: View Images of Philadelphia Zoo

America\'s first zoo continues to captivate with painstakingly built habitats, and regular daily animal shows.

America\'s first zoo continues to captivate with painstakingly built habitats, and regular daily animal shows.

America\'s first zoo continues to captivate with painstakingly built habitats, and regular daily animal shows.

America\'s first zoo continues to captivate with painstakingly built habitats, and regular daily animal shows.

America\'s first zoo continues to captivate with painstakingly built habitats, and regular daily animal shows.

America\'s first zoo continues to captivate with painstakingly built habitats, and regular daily animal shows.

America\'s first zoo continues to captivate with painstakingly built habitats, and regular daily animal shows.

America\'s first zoo continues to captivate with painstakingly built habitats, and regular daily animal shows.

America\'s first zoo continues to captivate with painstakingly built habitats, and regular daily animal shows.

Philadelphia Zoo Aircraft, Animal, Fall, Food + Historical Pictures West Philadelphia Philadelphia Pennsylvania USA North America dunia