Spain · Area
Almadén
The world's largest source of mercury, Almadén has produced a quarter-million metric tons over two millennia.
City
Almadén
2 places
Almadén: 2 heritage places documented by Cultural Heritage Online, street by street — what each one is, where it is, and how to see it.
Spain · Area
Heritage of Mercury. Almadén and Idrija
Two of the world's largest mercury mines—one in Spain dating to antiquity, one in Slovenia from 1490—preserved as…
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