The butterfly conservatory is considered a special exhibit. You have to pay the original price of admission plus the price of the butterfly exhibit. (Adult $28 / Child (2-12) $16.50 / Senior & Student $22.50). For an additional $5 you get the cost of admission to the museum, plus access to all of the special exhibits. Hope this helps.
Normally there is no specific entry fee. You can pay how much ever you want. I don't think there is any extra price for visiting butterfly room. Not sure though.
I have no idea. One would have to call the mustum to gind ouy
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