The ruins of the ancient town of Castrotorafe, popularly known as Zamora la Vieja, are in San Cebrian de Castro, emplacement already located in the 12th century.
It was a medieval defensive site which appeared on the banks of Esla River. It keeps the walls built with slate masonry and mortar, and has 4.709 square meters, including the castle, the hermitage and the walls.
The best preserved is the castle, of two enclosures with irregular trapezoid shape. Inside of it, practically ruined, built with different materials and with a floor similar to the outside.
References:The first written record of church in Danmark locality date back to the year 1291. Close to the church are several stones with a Christian text and cross inscribed. The oldest parts of the present red-brick church are from the 1300s. In the late 1400s the church was enlarged to the appearance it has today. The church has been modified both internally and externally several times, among other things after the fires in 1699 and 1889. There are lot of well-preserved mural paintings in the walls.