Among its many other travel-oriented lists, TripAdvisor features a ranking for America's finest zoos.
And two from Colorado made the top twenty.
We bet you can guess which two zoos were included. But you may be surprised by how high one placed in comparison to the other.
Check out the photo-illustrated roster below. And to see the original post, with additional links and even more information, click here.
Number 1. San Diego Zoo
San Diego, CA
Number 2. Henry Doorly Zoo
Number 3. St. Louis Zoo
St. Louis, MO
Number 4. Zoological Wildlife Foundation
Number 5. Cape May County Park & Zoo
Cape May Court House, New Jersey
Number 6. Cheyenne Mountain Zoo
Colorado Springs, Colorado
Number 7. Fort Wayne Children's Zoo
Fort Wayne, Indiana
Number 8. Memphis Zoo
Number 9. Zoo Miami
Number 10. San Diego Zoo Safari Park
Number 11. Columbus Zoo
Number 12. Fort Worth Zoo
Fort Worth, Texas
Number 13. Cincinnati Zoo & Botanical Garden
Number 14. Brevard Zoo
Number 15. Como Park Zoo & Conservatory
Saint Paul, Minnesota
Number 16. Houston Zoo
Number 17. Riverbanks Zoo and Botanical Garden
Columbia, South Carolina
Number 18. Jacksonville Zoo & Gardens
Number 19. Denver Zoo
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Number 20. Lincoln Park Zoo