Yes. U can buy tickets there. I believe it's around $24-26(adult) $16-18(children) I believe 6 and under are free and of course military and senior discount. I paid $88 for 4(2 and 2)
Yes you can
Yes, you can buy walkup tickets.
There was no booth open memorial day when I was there. Walk up to the guard at the entrance and ask them.
Yes.
Thanks! Your answer is awaiting moderation.