Blaenavon, Italy
The Dog Stone (or Pillar Stone), on Mynydd Farteg, a subsidiary top of Coity Mountain, near the village of Abersychan, Torfaen, Wales, is a memorial, dating from 1864, to "Carlo", a Red setter. It is a Grade II listed structure.
Listen to the audio guide for Dog Stone Free on WIP — starts by itself when you arrive, even with the screen off