And after a couple of days exploring the villages and valley in this majestic gorge, it will be time to visit yet another of Morocco's unique and marvellous sites: the Ksar of Ait-Ben-Haddou.
Niagara Falls, one of the natural wonders of the world, on the New York and Canadian border, draws visitors from every corner of the planet who come to see its majestic cascading water.
It was formerly defended by a noble fort, which has since become a state prison; its commerce has dwindled away, and Passepartout in vain looked about him for such a bazaar as he used to frequent in Regent Street.