Lewis Tower, Jersey
Jersey
The 186th tallest tower in the world
Lewis Tower (also known as Lewis's Tower) is a Martello tower in St Ouen's Bay on the island of Jersey. It was erected by the British in 1835, and is named after Colonel Griffith Lewis, who commanded the Royal Engineers in Jersey from December 1830 to January 1836.
Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).