London Eye Adults from £15.00, Children from £7.80 The British Airways London Eye in South Bank is the world's tallest observation wheel at 135m high. It is so tall that you are able to scan 40km of views in all directions making it a fantastic way to see the city. The London eye is a distinctive landmark and much loved feature in the heart of London which was built at the turn of the century. It is visited by 3.5 million people every year which is an average of 10,000 a day which makes it one of the most popular attractions in London!