Buckle's Tower
United Kingdom
The 186th tallest tower in the world
Buckle's Tower (locally Buckle's Too'er) is a historic stone-built tower upon the Hill of Heddle in Firth, Orkney. The tower was originally built sometime during the 1870s by a local shepherd boy named William Buckle who watched the sheep on the Hill of Heddle.
Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).