
Encounters at 'Spook Road': Radioactivity and paranormal experiences at an ancient stone circle - The Daily Grail
It is difficult nowadays to talk about radioactivity without images of Chernobyl, Three Mile Island, Sellafield or Fukushima being conjured before the mind’s eye. But nuclear power stations (not to mention nuclear weaponry) are purely technological constructs involving radiation levels conjured...

This is a longish article, but once you get to the section about Ancient Sites you will find it very interesting.