We're used to evaluating art on what we can see. While there are plenty of pieces where touching is not encouraged, here's an example of what happens when an artist moves beyond sight to texture. Take a look. Anyone who has taken a child to a museum knows that most art inspires touch. The tactile feel is one of the most important experiences we have to learn from. Here's a great video on one artist who is creating works that feel as great as they look.
So, the next time you see a great piece of art, take a chance and touch it. You might be inspired, or just kicked out of the gallery, but either way you'll have an experience.