Smeaton's Tower administrator Sir John Barrow. Smeaton's Tower has been a Grade I-listed building since 1954. It is open for visitors, who may climb 93 steps, including steep ladders, to the lantern room, and observe Plymouth Sound and the city. Smeaton's Tower Smeaton's Tower is a memorial to celebrated civil engineer John Smeaton, designer of the third and most notable Eddystone Lighthouse. A major step forward in lighthouse design, Smeaton's structure was in use from 1759 to 1877, until erosion of the ledge it was built upon forced new construction. The tower was largely dismantled and rebuilt on Plymouth Hoe in Plymouth,
Grønningen Lighthouse Grønningen Lighthouse Grønningen Lighthouse () is a coastal lighthouse in the municipality of Kristiansand in Vest-Agder county, Norway. The lighthouse sits on an islet in the Kristiansandsfjorden, and it marks the eastern side of the main shipping channel that leads inland to the port of the city of Kristiansand. The other lighthouse, which marks the western entrance, Oksøy Lighthouse, lies about to the west. The tall square concrete tower is white with a red roof. It is attached to one end of a 1-1/2 story lighthouse keeper's house. The light sits at an elevation of and it emits two white,