I got to spend last Saturday at the Mystic Aquarium in Mystic, CT. The admission is a little steep for the amount of time it takes to go through the place, but knowing that it goes towards taking care of the animals, rather than lining someone's pocket makes it easier. The main attractions here are the Beluga Whales, Penguins, Seals and Sea Lions. There are plenty of opportunities for interaction with children if you bring them. There is a tank set up where you can pet Cownose Rays as they swim by. When I went there was an exhibit set up for underwater exploration, including the exporation of the Titanic.
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