Igreja Matriz de Santiago do Cacém/ Tesouro da Colegiada de Santiago

This church's highlights include the ogival side portico, the vault covering the high choir, and the 14th-century Gothic stone high relief depicting Santiago fighting the Moors. Over the centuries, the building underwent alterations, revealing vestiges from various periods. The four sections of the central nave and side naves, separated by broken arches on octagonal pillars with cubic capitals, the Porta do Sol (Sun Gate) with its broken archivolt, the high relief in the subchoir, and the tomb of Álvaro Mendes Brito are some examples of the Gothic style. The Manueline style is evident in the structure of the original transept, now incorporated into the main body of the nave. The scenic façade, with its undulating finish and opening onto the adjacent staircase, reflects the Baroque style. Also noteworthy are the altars and pulpit in Pombaline polychrome carving.