The ArcelorMittal Orbit is the tallest sculpture across the entire United Kingdom. On top of that, it also boasts the longest, fastest, tallest tunnel slide in the world! It was designed by the engineer Cecil Balmond and the sculptor, Sir Anish Kapoor. If you want to view the beautiful panoramic views of London, this is the ultimate place to visit. Today it is still one of the most significant legacies of the London 2012 Olympic Games.