You walk into the door marked by the Crossing of the Delaware, as you open the door you begin to see the Exhibits. A chill conquers you as the life-like quality of the Mannequins takes your attention, it seemed almost as if they had been paused in time. The plaque in front of the exhibit on the Battle of Bunker Hill stated, "Walk into Exhibit for Full Experience. Events will last for as long as they had occurred. Warning: We Can't be Held responsible for any Paradoxes" last part in small lettering of course.
Looking up you can tell certain ones Immediately, but after noticing the engraving on the Federal style Hallway above the Areas, you could read the event described.