aerial photograph of the remains of the House of Corrections in Folkingham Lincolnshire England UK. The house of corrections was a small Prison built in 1808 and closed in 1878. The House of Corrections was built on the site of Folkingham Castle The outline of the Castle earthworks can be clearly seen in the summer evening light of this photograph. The Castle was a Normal castle built shortly after the Norman conquest and finally destroyed in the English Civil war.