World's Coolest Observation Decks
Whose idea was this? Cantilevered way, way out over the Grand Canyon’s west rim, with the Colorado River some 4,000 feet below, this U-shaped glass bridge is arguably the world’s highest observation deck. It’s certainly the most mind-blowing one.
Observe This: Deck visitors have to don paper slippers over their shoes to keep from scuffing the glass. —Karrie Jacobs