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Chicago’s latest attraction is TILT, a wall of windows that tilt out more than 1,000 feet in the air from the observation room atop the iconic John Hancock building.

The attraction comes five years after Willis Tower -- formerly Sears Tower -- unveiled its glass “Ledge.”

TILT is an enclosed, clear rectangular box that holds up to eight people at a time. Once in place, the box tilts to a 30-degree angle, giving brave souls a near bird’s eye view of the Windy City – and possibly vertigo.

Check out the views that defy gravity tonight on NBC Nightly News with Brian Williams. Check your local listings.