The Calf of Man currently boasts the world's highest density of lighthouses: two lighthouses were built in 1818 by Robert Stevenson to warn mariners of the hazards of the Chicken Rocks off the south end of the Calf.
The Calf of Man currently boasts the world's highest density of lighthouses. Two lighthouses were built in 1818 by Robert Stevenson. This was to warn mariners of the hazards of the Chicken Rocks off the south end of the Calf.