Museum of el Mercurio Monument · Almadén, Valle de Alcudia, Ciudad Real Image of Almadén, not of the place itself. Housed in the old mercury store of the Cerco de Buitrones, a building of 1941. It brings together rooms on the geology and palaeontology of the area, interactive experiments on the properties of mercury and the room where the metal was weighed and packed. Photo: Lluís Marià Vidal i Carreras (Public domain) What to see and do in Almadén