$20 per adult. We paid with a credit card at the door. However, they were experiencing technical/WiFi issues so we had to wait a little longer. You may want to purchase tickets in advance to avoid the wait.
20$ per adult
$20 for nonmembers and free for members of the Trustees!
$20 per adult. Was there Saturday. I'd make a reservation as people were turned away when we were there due to parking limits
It's free and very interesting. Enjoy
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