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
Dyrhólaey lighthouse Dyrhólaey lighthouse The Dyrhólaey lighthouse () is a lighthouse located on the central south coast of Iceland. The Dyrhólaey lighthouse consists of a square concrete tower, painted white with red trim. Integral keepers quarters are placed on the left and right sides of the tower. A red metal lantern house is placed on top of the tower. The focal plane of the light is . The overall height of the tower is . The site (but not the tower) is open to visitors. The light station at Dyrhólaey was established in 1910. The first lighthouse was a skeletal steel tower