It is a 13th-century building that was completely altered in the 16th century to house the chapel of São Jerônimo. Its floor plan consists of two rectangular elements arranged perpendicularly. Notable features include the courtyard portico, a small square opening in the cellars, and three Manueline-framed windows, one of which opens onto a balcony. Also, noteworthy is a single-flight staircase leading to a small portico.

Its exact foundation is unknown. However, it is mentioned in royal documents from 1320. In the 17th century, its main elevation underwent major architectural changes. It features a granite portal, a lintel, a triangular pediment topped by a stone cross, a spire at the north end, and a robust, sharp-pointed bell tower opposite, made of masonry decorated with artistic sgraffito, two eyelets, and an equal number of cast bronze bells, the oldest dating from 1772.

Originally called "Viana de a par de Alvito," the town was repopulated in the 13th century by King Gil Martins. In 1313, King Dinis granted it a charter and privileges and ordered the construction of the castle, which, rebuilt by King João II, still retains the characteristics of the original design. It is a pentagonal monument with cylindrical towers with cruciform arrow slits at its corners.

Manueline building with Mudejar influences, designed by Diogo Arruda. The church features a wide nave with a small apse flanked by two apsidioles. The main façade features a wide Manueline portal and a small openwork window with a round arch. It is decorated with 18th-century murals. Inside, the church is structured in three naves of five bays, with the apse almost embedded in the wall.

Large green area where you can practice various physical activities and enjoy nature.

Chapel of popular architecture, being modest and with thick masonry plastered. It is prized by two portals carved in white marble and protruding rope type door jambs. Note also the frescoes from the 17th century and beginning of the 19th century in the vault of the chancel. It is also known as the Lord's Chapel of Senhor dos Passos or Wounds.

The Church, dating from 1528, was an institution of a beatério aimed at elderly women and the poor. It has a main facade with a portico and a large granitic late-eighteenth-century window. Inside the ship with cannon, dome-shaped cover arcade beat, chorus and chancel of arch, round.

Manueline cruise which subsists only marble base and the forend, developing into two vertical records separated by a row being the Manueline upper register of twisted rib.