Smeaton's Tower stood were becoming eroded. Each time a large wave hit, the lighthouse shook from side to side. Smeaton's Tower ceased operation in 1879 with the illumination of Douglass's Tower on an adjacent rock. In 1882 the upper part of Smeaton's Tower was dismantled and rebuilt as a memorial to Smeaton on a new base on Plymouth Hoe, replacing the triangular obelisk that had been built there by Trinity House as a navigation aid in the early 19th century. It was opened to the public by the Mayor of Plymouth on 24 September 1884. The foundation and stub of the old
Odderøya Lighthouse The historic one was built in 1874, replacing the 1832 lighthouse. This historic lighthouse has been inactive since 1984. The tall concrete, cylindrical tower is white with a red roof and it is attached to a 1-1/2 story lighthouse keeper's house. A fog bell is attached to the front of the tower. The building is now owned by the city of Kristiansand. Odderøya Lighthouse Odderøya Lighthouse () is a coastal lighthouse located on the southwestern coast of the island of Odderøya in Kristiansand municipality in Vest-Agder county, Norway. The lighthouse was first built in 1832. The lighouse was replaced in