We just got a museum membership and hope to enjoy it alot. My kids love the butterfly exhibit. This is a large glass pyramid filled with a rainforest environment and hundreds of butterflies of all sizes. They also enjoy the dinosaur exhibit hall, which shows bones and models. Currently there is a special dinosaur exhibit going on. They also like the wildlife "dioramas" that can be found upstairs. They are still a little young for the IMAX, but I might try to make a date night out of that.
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