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I have always thought the Grand Canyon Skywalk, Arizona is a beautiful place to visit. Can you imagine yourself being on a rim that`s extends up to 4,000 feet below. Not only that, but can you image what it would be like to walk on this U-shaped glass bridge is well known for the worlds highest observation deck. I don`t think I can do this because its so high. Eeeek!! Questionnaire: 1. Are you scared of heights? 2. Would you do this? Follow, rate & comments. Check source link for credits.