Fort of Santa Cruz dominates Mount Murdjadjo above Oran, Algeria, standing as a commanding testament to the city's strategic importance and turbulent military history. Erected by the Spanish between 1577 and 1604, the fortress rises over 400 meters above sea level, providing unparalleled vantage points for monitoring coastlines and controlling approaches to the city. The structure features thick imposing walls constructed from stone and brick stretching over two and a half kilometers in circumference, punctuated by robust towers once housing soldiers and cannons. For centuries, the fort served as a strategic battleground between Spanish, Ottoman, and French forces, with Spaniards maintaining control until 1792 following an earthquake in 1791. Today controlled by the Algerian government and open to the public, the fortress remains a major tourist attraction offering insights into Oran's complex history and panoramic Mediterranean views from its elevated position.