In the 16th century, however, the presence of a cathedral was enough for a place to gain the status, which brings us to the unusual case of the U.K.'s smallest city: St Davids in Wales.

Constructed on the grounds of a sixth-century monastery established by St David, Wales' patron saint, St Davids Cathedral has been ... further emphasised by the ruins of the Bishop's Palace ...

From storybook coastlines to fairytale fortresses tucked between emerald hills, Southwest Wales is a land steeped in ancient ...