Walk in
Buy tickets either online or at their office for the time you wanna take the tour.
We walked in...
We didn't make reservations and we got rite in but we went the end of may
We made a reservation and it was a good thing. There was a bus load of a group that we would have had to sandwich between had we just walked in
Reservations for big groups, walk in for normal families.
We just walked in. I believe you can call ahead and make a reservation. I think they actually encourage that.
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