Solar plant long with great sobriety and simplicity of lines. The only decorative motif abroad is the stone of arms and the pediment over the main door clearance. Inside, the decor is richer, with ceiling in the Chapel and illusionist perspective with trompe l'oeil paintings.

This keep was built under the gothic style and used to be part of the former medieval fortification. It has a square plan, four floors and the coat of arms of King D. Fernando remains above the main entranceway.

Temple rebuilt in the 17th century, preserves the original chancel, only remnant of the primitive building that belonged to a Benedictine convent. The national monument classification refers only to the chancel.

This is an imposing house ordered to be built in the beginning of the 19th century and being concluded almost thirty years after. The plan is in L, with two ample façades and two small towers finished by balustrade and pinnacles. On the inside the rooms with neoclassical decoration stand out. On the outside a gardened terrace is sided by high walls. The Palace, a private property assigned to the production of one of the most recognised Alvarinho wines in this region, receive visits.

The primitive Castle, build by Dinis in 1306, there remain only two doors and some excerpts from the medieval wall. The 17th century fortification are examples the door of Salvaterra, some curtains and bastions. The Tower, Dom Pedro I and contemporary of Don Fernando, is another of the remaining elements of the fortress.

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.

A space inside the old paleochristian church, with an exhibitions about the beginnings of Christianity.

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 …