Algiers: Basilika Notre Dame, Che Guevarra promendade, the Kasbah, Sidi Ramdane mosque, Bardo museum, le Jardin d'Essai with adjacent zoo, the many colonial buildings in the center.
Oran: Square 1st November with the theatre.
Ghardaia Oasis (Valley of M'zab, Unesco)-Beni Isguen with its photo shy "one eye women"
Market square-Batna: Roman ruins of Timgad (UNESCO)
Setif: Roman Ruins of Djemila (UNESCO)
Constantine: Passerelle Mellah Slimane, Old town with bridges and great view, Hanging bridge Sidi M'Cid, square of 1st November, Cirta National Museum. Tipasa W of Algiers (Roman Ruins, Unesco)