10 Best Zoos in the United States

1. San Diego Zoo (San Diego, California)

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2. Bronx Zoo (New York City, New York)

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3. Smithsonian's National Zoo (Washington, D.C.)

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4. Audubon Zoo (New Orleans, Louisiana)

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5. Oregon Zoo (Portland, Oregon)

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6. Denver Zoo (Denver, Colorado)

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7. Henry Doorly Zoo and Aquarium (Omaha, Nebraska)

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8. Disney's Animal Kingdom (Orlando, Florida)

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9. Columbus Zoo and Aquarium (Columbus, Ohio)

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10. Philadelphia Zoo (Philadelphia, Pennsylvania)

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