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

Warriors or refined artists — or both? New information about the Celts emerges with every archaeological find, like this Celtic stone head from the Czech RepublicImage: Svoboda Jaroslav/dpa/CTK ...

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 ...

They were stone cold killers out there ... was even less fortunate than the man he replaced, given the mood that Celtic were in as they sought to place him in almost constant harm’s way.