you, the signals from your eyes to your brain creates a chemical response that gives you the feeling that you're about to fall. It takes a while to maintain your balance, for your heart to stop pounding, and for the adrenaline-rush to subside. If you go there, I suggest you try to arrive early in the day if you plan to film, as it's location on the western side of the building leads to glare in the mid-day sun. You should also consider paying the extra fifteen bucks for a Fast Pass: ...