Hamlin near Scranton. 300 animal representing 120 species on 30 acres. Admission, directions, exhibit descriptions and animal list.

Pittsburgh. 500 birds representing 200 species. General information, special events, bird photos, descriptions and information, and bird sexing lab services.

Schnecksville near Allentown. 1200 acres includes children's zoo. General information, park map, animal photos and sounds, special program summary and digital postcards.

500 animals representing 100 species on 15 acres. General information, animal photos, descriptions and webcam, education program summary, puzzle, news and special events.

Wellsboro in Tioga County. Home to over 200 exotic, wild and domestic animals, with a petting zoo. Location, hours, admissions, services, and local links.

Allenwood. Includes information about visiting, travelling exhibits, lectures, and parties.

Centre Hall. All water cavern and wildlife park. Includes information on tours, rates, schedule, events, gift shop and location.

Features exotic animals and a petting zoo at locations in Moraine and Laurel Highlands. Includes visitor information and local attractions.

Hershey near Harrisburg. Admission and hours, education program summary, park map, conservation information and exhibit overview.

1800 animals. America's first zoo. General information, program and event summary, a complete list of animals with photos, descriptions, videos and webcams, and information on sponsorship.