Looking at the extent of stone circles in Wales, the growth of Celtic hill forts and what they reveal about the changing society of that time.

Ellipses occur in ancient Celtic stone circles. Is this mount just decorative or a high status religious, scientific emblem of a teacher? Ancient Greeks and Romans including Cicero, Caesar ...

Stone circles that are thousands of years old can ... Outlander also mentions selkies, creatures from Celtic and Norse mythology that can change from seals to humans by shedding their skin.