GRAND CANYON SKYWALK

* Juts out about 70 feet into the canyon, 4000 ft above the Colorado River

*Will accommodate 120 people comfortably (How comfortable would YOU be?)

* Built with more than a million pounds of steel beams and includes dampeners that minimize the structure's vibration

* Designed to hold 72 millions pounds, withstand an 8.0 magnitude earthquake 50 miles away, and withstand winds in excess of 100 mph

* Has a glass bottom and sides...four inches thick