Discover medieval history on the age old streets of paris on this 25 hour ile de la cit and notre dame cathedral paris combo tour save time and money by visiting two of paris top attractions in one day explore le de la cit in the center of the seine river and gain insight into its 2 000 year history stand beneath the imposing towers of notre dame cathedral to admire their gothic architecture then head inside with your guide beat the lines and enjoy fast track entry to sainte chapelle