Water mills took advantage of in the past, the current of the river Guadiana to transform the grain into flour. Today, the mills are leisure venues.

Mining complex installed in the 19th century for the operation of a pyrite mine cuprífera whose deposit was explored as early as Roman and pre-Roman. The main elements extracted during the modern exploration, between 1854 and 1966, were the copper and sulfur. After the closure of the mine equipment was dismantled and sold, leaving today the landscape marked by mining activity and acidic drainage.

The channels were used, in the Guadiana, to capture fish. In the municipality of Mértola there are the latest traps of this type, which have fallen out of use, where deviate fish to places where it was easier to catch them.

It is likely that the clock tower was erected in the late 16th century or early 17th century, in the context of the reorganization of the urban area of the Town Hall square. This building was erected in the vicinity of a set of representative structures of political power, judicial and economic administrative and reusing an old Tower of the wall, mark the edge of Town Hall square and take over as one of the emblematic elements from Mértola. In 1896 the primitive clock is replaced by another more recent than will continue to mark the time of the Old …

Castle of Romanesque and Gothic architecture, with quadrangular towers. The keep is on the hillside more phantasmic Shap. Medieval doors only if conserves of mercy, on the Guadiana river. The ancient Citadel, as well as important sections of the wall that surrounded the population, are still preserved. Archaeological work carried out in the Citadel of the Castle uncovered a Moorish quarter of centuries XII\/XIII, and various Roman structures of the 4th century. The Arab ceramic pieces found are exposed in the core of the Museum of Mértola.

In the northern slope of the Castle, the possible forum of the Roman city creates an artificial platform, support the imposing monumental Myrtilis City set. All this platform, flush with the wall, relied on a solid underground Gallery with about 30 feet long and 6 feet tall. In late Antiquity, 5th and 6th centuries, religious buildings were erected luxury here; among them, a possible Episcopal Palace and a baptistery, of which there are significant fragments of a beautiful set of multi-colored mosaics. In the Islamic era, during the 12th and 13th centuries, this whole area is occupied by a residential …

This former mosque it was adapted to a Christian church on the 13th century with a manueline – mudejar façade where it stands out the crenels and the spires. It is the only one that stills conserves the volumetric and some decorative elements from the Arab temple that preceded it, namely the disposition in plan “T”, the “mihrab” presence, the “nimbar” compartment on the “quibla” wall (the mosque wall) turned to Meca, the still existing 5 naves from the former mosque, the statuary, doors and remains from the mirabe.

In this church the highlight goes to the drawing and grandeur of the main portal.

Temple with diverse influences on style and architecture as the Gothic, Manueline, Mannerist and Baroque. In the Baroque, for example, are the main altarpiece and the painting of the chancel, as well as the pulpit.

Church with three naves, which presents, inside, gilded and polychrome altarpieces. The main altarpiece has mural and Dome decorated by 19th century murals.