- World Heritage Sites in Algeria Al Qal'a of Beni Hammad (35.80 N 4.77 E) Located 21 miles southeast of M'sila near the Hodna mountains, this was the capital city of the Hammadite Empire during the 11th century AD. Tassili n'Ajjer (23.43 N 5.33 E) WCMC Descriptions of Natural World Heritage Properties Tassili N'Ajjer. As wild as it gets Tassili N' Ajjer L'art rupestre saharien // English link ...fp.thesalmons.org/lynn/wh-algeria.html