The garden... the word alone invokes not only thoughts of serenity and the promise of abundant fruit and vegetable crops, but also something magical, mystical and yes, mysterious.  As with your home, the entrance to this magical place, which is the first thing a visitor sees, needs to make an impression.  And that is just one of many good reasons why every garden should have an arbor, a distinctive entryway that lets guests know they are about to enter someplace very special. Of course, enhancing visual curb appeal and increasing your property value is important, too.  However, there are few better ways to create a charming, serene escape from the…