Downhill House, a mansion built in the late 18th century for Frederick, 4th Earl of Bristol and Lord Bishop of Derry , at Downhill, County Londonderry. Much of the building was destroyed by fire in 1851 before being rebuilt in the 1870s. It fell into disrepair after the Second World War. Mussenden Temple can be seen through a doorway in the distance; Castlerock, County Londonderry, IrelandImage #: 12544186 See More From: Keith Levit