Even with advance reservations, it may take up to an hour to actually get inside. We had to register at Door 3, then cross over to Door 2 to queue up to go inside. We mistakenly left our reservation confirmation at the hotel. The cashier acted like it was a huge inconvenience for her, when she had the ability all along to easily search by name. Many of the rooms in the Gallery were still under construction, but you will certainly get your money's worth.