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Dive into two worlds of wonder and excitement at the top-rated aquarium in America. Begin with the freshwater exhibits in the River Journey building. The adventure continues with the Ocean Journey building. Experience two aquariums in one great city - Chattanooga. Along the way, you'll have opportunities to come face-to-face with feisty otters, enormous Arapaima giant catfish, and tons of turtles. You can also touch a sturgeon. Enjoy playful penguins, touch a stingray, and marvel at toothy sharks, lemurs, and jellyfish. Plan on spending at least three hours to enjoy observing and learning about all the Aquarium's diverse gathering of animals. The TN Aquarium is closed Thanksgiving Day and Christmas Day.