It is an unusual building built in 1755 and has been a miners' hospital from 1774 to 1975. Later, after a few years of abandonment, it was rehabilitated at the beginning of the 21st century to show its dependencies. In addition, a museum space was created with three rooms: the first dedicated to the history of this building, the second, which is responsible for showing the process of mercury metallurgy and its evolution, and the third reflects the life and customs of the local and regional population. It was declared B.I.C. in 1992.
It is also the headquarters of the Almadén Mines Historical Archive. In this case, it can be said that the archive brings together a large documentary corpus that dates back to the 17th century and that it constitutes a valuable source of information for learning about the exploitation of the mines throughout a long historical period. The archival collection has been declared an Asset of Cultural Interest since May 2016.