The CHALCOLITHIC settlement where you can distinguish three types of structure: a "defensive" built by a wall, with a general ellipsoid and probably leaving him, three hollow towers, one of which is very well preserved; A "housing estate", including three huts and also functional areas divided into two units, the first related to weaving and the second with the kitchen.
The dam consists of a plant with rectilinear wall 3 meters high and a thickness of the same dimension, with buttresses. Although initially have about 50 metres long, currently retains only a section of the dam about 40 meters long and 6 buttresses. About 100 metres downstream, the archaeologist Estácio da Veiga excavated a set of graves, a village and a possible Temple. Are classified as Property in the public interest.
In this museum you will find exposed the whole history of the Guadiana river, since the river transport of ore to the various types of artisanal fishing, through smuggling activities that took place during the Estado Novo. Highlight for the display of thumbnails of José Myrtle entitled "Traditional Boats of the Bajo Guadiana".