The Torre del Oro (Tower of Gold) is a historic watchtower that was built in the early 13th century by the Almohades, who ruled over Andalusia. The tower is now home to a naval museum.The Golden Tower is one of Seville's most photographed landmarks, as it is prominently located at a wide promenade near the river bank, close to the city's historic center.The tower is a legacy of the Almohades, a Moorish dynasty that controlled much of Southern Spain until the reconquest of the area by the Christians in the 13th century. The cupola shaped top of the tower is a more recent addition; it was built in 1760.The intriguing name - Tower of Gold - probably stems from the gilded azulejos (ceramic tiles) that originally decorated the tower. Another explanation given for the name was the gold that was unloaded here during the time that Seville had the monopoly over the trade with the New World.