Birmingham Zoo

admission: 50% off

Alaska SeaLife Center

admission: 50% off

Phoenix Zoo

admission: 50% off

Reid Park Zoo

admission: 50% off

Sea Life Aquarium

admission: 50% off

Little Rock Zoo

admission: 50% off

Aquarium of the Bay

admission: 50% off

Cabrillo Marine Aquarium

additional discounts: gift shop

Charles Paddock Zoo

CuriOdyssey

admission: 50% off

Fresno Chaffee Zoo

admission: 50% off

Happy Hollow Zoo

admission: 50% off

Los Angles Zoo

admission: 50% off

Oakland Zoo

admission: 50% off

Sacramento Zoo

admission: 50% off

San Francisco Zoo

admission: 50% off

Santa Barbara Zoo

Sequoia Park Zoo

admission: 50% off

The Living Desert

admission: 50% off

Calgary Zoo

admission: 50% off

Granby Zoo

admission: 50% off

Toronto Zoo

admission: 50% off

Pueblo Zoo

admission: 50% off

Beardsley Zoo

Brandywine Zoo

National Zoo

additional discounts: gift shop

Alligator Farm Zoological Park

admission: 50% off

Brevard Zoo

admission: 50% off

Central Florida Zoo

admission: 50% off

Jacksonville Zoo

admission: 50% off

Lowry Park Zoo

admission: 50% off

Mote Marine Aquarium

Palm Beach Zoo

admission: 50% off

Santa Fe College Teaching Zoo

admission: 50% off

The Florida Aquarium

admission: 50% off

Zoo Miami

admission: 50% off

Chehaw Wild Animal Park

Zoo Atlanta

admission: 50% off

Idaho Falls Zoo at Tautphaus Park Zoo

Zoo Boise

Cosley Zoo

Lincoln Park Zoo

admission: Free to Public

additional discounts: gift shop, concessions

Miller Park Zoo

Peoria Zoo

Scovill Zoo

admission: 50% off

Ft. Wayne Child. Zoo

admission: 50% off

Mesker Park Zoo

Potawatomi Zoo

admission: 50% off

Blank Park Zoo

National Mississippi River Museum & Aquarium

admission: 50% off

Emporia Zoo

additional discounts: gift shop

Hutchinson Zoo

additional discounts: gift shop

Lee Richardson Zoo

additional discounts: gift shop, concessions

Rolling Hills Zoo

admission: 50% off

Sedgwick County Zoo

admission: 50% off

Sunset Zoo

Topeka Zoo

Louisville Zoo

admission: 50% off

Alexandria Zoo

Maryland Zoo in Baltimore

admission: 50% off

Salisbury Zoo

additional discounts: gift shop

Buttonwood Park Zoo

Capron Park Zoo

Franklin Park Zoo

admission: 50% off

Museum of Science

Stone Zoo

admission: 50% off

Binder Park Zoo

admission: 50% off

Children's Zoo at Celebration Square

Detroit Zoo

admission: 50% off

Potter Park Zoo

SEA Life Aquarium

admission: 50% off

Lake Superior Zoo

Minnesota Zoo

admission: 50% off

St. Pauls Como Zoo

additional discounts: gift shop

Dickerson Park Zoo

admission: 50% off

Kansas City Zoo

admission: 50% off

Sea Life Aquarium

admission: 50% off

St. Louis Zoo

admission: Free to public, 50% off Safari Pass (up to 4)

The Butterfly House

admission: 50% off

Henry Doorly Zoo

admission: 50% off

Lincoln Children's Zoo

Riverside Discovery Center

admission: 50% off

Squam Lakes Natural Science Center

admission: 50% off

Bergen County Zoo

Cape May County Zoo

additional discounts: gift shop

Turtle Back Zoo

admission: 50% off

ABQ BioPark

admission: 50% off

Living Desert Zoo & Gardens State Park

Buffalo Zoo

admission: 50% off

Rosamond Gifford Zoo at Burnet Park

admission: 50% off

Seneca Park Zoo

admission: 50% off

Staten Island Zoo

Trevor Zoo

Greensboro Science Center

admission: 50% off

Museum of Life & Science

admission: 50% off

North Carolina Aquarium at Fort Fisher

North Carolina Aquarium at Pine Knoll Shores

North Carolina Aquarium in Roanoke

North Carolina Zoo

Western North Carolina Nature Center

Chahinkapa Zoo

Dakota Zoo

Red River Zoo

Roosevelt Park Zoo

African Safari Wildlife Park

admission: 50% off

Akron Zoo

admission: 50% off

Boonshoft Museum of Discovery

Cincinnati Zoo & Botanical Garden

admission: 50% off

Cleveland Metroparks Zoo

admission: 50% off

Columbus Zoo and Aquarium

admission: 50% off

The Toledo Zoo

admission: 50% off

The Wilds

admission: 50% off

Oklahoma City Zoo and Botanical Garden

admission: 50% off

Tulsa Zoo

admission: 50% off

Oregon Zoo

admission: 50% off

Wildlife Safari

admission: 50% off

Elmwood Park Zoo

admission: 50% off

Erie Zoo

Lehigh Valley Zoo

National Aviary

admission: 50% off

Philadelphia Zoo

admission: 50% off

ZOOAMERICA North American Wildlife Park

Roger Williams Zoo

admission: 50% off

S.E.A Aquarium

Greenville Zoo

Riverbanks Zoo & Garden

admission: 50% off

Bramble Park Zoo

Great Plains Zoo & Delbridge Museum

Chattanooga Zoo at Warner Park

Knoxville Zoological Gardens

admission: 50% off

Nashville Zoo, Inc.

admission: 50% off

The Memphis Zoo

admission: 50% off

Abilene Zoological Gardens

Caldwell Zoo

admission: 50% off

Cameron Park Zoo

Dallas Zoo

admission: 50% off

El Paso Zoo

admission: 50% off

Ellen Trout Zoo

Gladys Porter Zoo

Houston Zoo

admission: 50% off

San Antonio Zoo

admission: 50% off

Texas State Aquarium

admission: 50% off

Tracy Aviary

Utah's Hogle Zoo

admission: 50% off

Virginia Zoo

admission: 50% off

Point Defiance Zoo and Aquarium

admission: 50% off

Woodland Park Zoo

admission: 50% off

Oglebay's Good Zoo

Henry Vilas Zoo

admission: Free to Public

additional discounts: gift shop, concessions

International Crane Foundation

Milwaukee County Zoological Gardens

NEW Zoo

Racine Zoological Gardens

admission: 50% off