The Roger William's Park Zoo is a great day trip for your family, particularly if you have young children. They have a nice assortment of animals, from elephants to polarbears to prarie dogs, and all of their exhibits are very fun and interactive. It's a fairly spacious place, so you'll do lots of walking--wear comfortable shoes! If you get a chance, try out the carousel located on the grounds of the zoo--it's a really really old one, and is a lot of fun to ride.
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