How about these:
Early arrivers asking "why the hell did they park me way down there and make me walk past all of these empty spaces? (It's rhetorical, there is no answer!)
Q: Exactly how big is this parking garage?
A: No one knows, you can't see from one end to the other because of the curvature of the Earth.
Q: Were we in Jaws or King Kong?
Kids on the way in: "Wow these moving walkways are fun!"
Kids on the way out: 1) are we there yet, or 2) Dad, carrrrrrryyyyy mmmmmeeeeeee
Q: Where's the tram
A: Down I-4 aways.