Broch of Gurness
United Kingdom
The 186th tallest tower in the world
The Broch of Gurness is an Iron Age broch village on the northeast coast of Mainland Orkney in Scotland overlooking Eynhallow Sound, about 15 miles north-west of Kirkwall. It once housed a substantial community. It was discovered by the Orkney poet and naturalist Robert Rendall in 1929.
Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).