Iglesia de Nuestra Señora del Olmo Monument · Ceclavín, Comarca de Alcántara, Cáceres Built starting in 1495 by stonemasons of the Order of Alcántara and finished in 1557, it is one of the finest examples of late Gothic architecture in Extremadura. It preserves a Renaissance altarpiece and a Baroque organ; the complex is declared a Monumento Histórico-Artístico (historic-artistic monument, the heritage protection category used in Spain between 1931 and 1985). 1495-1557 Photo: Anamontero22 (CC BY-SA 4.0) What to see and do in Ceclavín