ShotHotspot has mapped 21 abandoned places in Castilla y León, Spain, ranked by how often they're photographed, viewed and voted for. The most popular are Forum, Jail Abandoned Prison Carabanchel and Convento de Nuestra Señora de la Armedilla. Some are private property or unsafe, so get permission before you visit.
Top abandoned places in Castilla y León, Spain
Forum - 45 photos; people, architecture, abandoned
We don't know whether you're allowed to visit any of these places. Many are private property, closed to the public or unsafe: get permission from the owner or the relevant authority, and take safety precautions.