Enter an aquarium and an underwater zoo comes alive with fish of all shapes and sizes. But if you want more than just a fish-tank view, the National Aquarium in Baltimore is home to over 16,000 different varieties of animals, for a rare visitor experience.
"In one day you can really travel around the world and see a frog that's only found in one little remote part," the aquarium's General Curator, Jack Cover, tells DBIS.
One of the most toxic animals in the world -- the poison dart frog -- lives here. Its bright colors warn predators to keep away, but herpetologists learned they aren't very dangerous living inside the aquarium.
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