MUSEO DE LA SIDERURGIA Y LA MINERÍA DE CASTILLA Y LEÓN

The Museo de la Siderurgia y la Minería de Castilla y León — "La Catedral del Hierro" — is housed in the historic Ferrería de San Blas in Sabero (León), celebrating the industrial heritage of iron and mining in the region and honouring those who established Spain's first iron smelting industry here in 1846.