Hidden Wales with Will Millard - Episode Guide

Will begins his tour in the north, uncovering long-unseen historical gems such as the biggest abandoned slate mine in the world.

Will visits mid-Wales and the west of the country and uncovers a lead mine that is thousands of years old.

In this final episode, Will completes his tour around Wales in the south of the country. From the resting place of early man to a lost mediaeval city, and from a forgotten prisoner of war camp to an abandoned coke works, Will uncovers historical gems that reveal parts of south Wales you never knew existed.

Will explores the subterranean wonders of Wales and discovers some remarkable stories, from a smuggler's den to an ancient bone cave.

Will Millard discovers the forgotten history of Wales's copper story by exploring some extraordinary locations that reveal how this country once led the world in copper production.

Will Millard goes in search of the lost and hidden locations from Wales's coal history and explores the abandoned buildings of some forgotten collieries.

Will Millard discovers the hidden history of the Welsh slate industry by exploring forgotten and usually inaccessible locations that show its history as you've never seen it before.

Will Millard discovers the hidden history of World War Two by exploring forgotten, secret and usually inaccessible locations that give us a new perspective on wartime Wales.

Will Millard has exclusive access to explore the usually inaccessible locations that are home to some of the biggest engineering projects in Wales, both past and present.