It gives you that feeling of "Oh! I never knew that before. I've never seen that before! Hmmmm."
Here is an example of a world record-- The Longest anamorphic painting.
This picture doesn't do it justice. Visit the Guinness site atLongest Anamorphic Paintingfor the best photo. An anamorphic painting is one that uses unusual proportions or perspective to bring about an effect. 3-D street art is an example. This street picture was unveiled in India Quay, London, UK, to celebrate Guinness World Records Day, on 17 November 2011. It measures 106.3 m (348 ft 9 in) and was created by Joe Hill of 3D Joe and Max (both UK).