Roman Ruins of Tipaza

Tipasa, sometimes distinguished as Tipasa in Mauretania, was a colonia in the Roman province Mauretania Caesariensis, nowadays called Tipaza, and located in coastal central Algeria. Since 1982, it has been declared by UNESCO a World Heritage Site. It was declared a World Heritage Site in danger in 2002, but was removed from the danger list in 2006 following conservation efforts.

Source: Wikipedia