The M'zab Valley is one of the distinctive landmarks located near the city of Ghardaia, which attracts many adventure lovers and explorers from different regions. This valley dates back to the Upper Cretaceous period, and when you visit it, you will find the walled cities that include the remains of ancient historical palaces, as well as shrines, houses and mosques of amazing architectural character. It should be noted that this valley has been classified as a world heritage by UNESCO.