The Glenelg Brochs: Dun Troddan and Dun Telve at Glenelg, Scotland
These two 2,000 year old Iron Age broch towers are located just south of Glenelg village. They stand more than 10 meters high and are within sight of each other. A broch is an Iron Age drystone hollow-walled structure of a type found only in Scotland.
(Source: topofly.blogspot.com, via lollingaboot)