Overlooking Harlech’s huge, peaceful beach is a symbol of past conflict – mighty Harlech Castle, a World Heritage Site. There’s good access to the beach from a 440 yard/400m path from the car park close to the railway line crossing.
Harlech, Gwynedd, LL46 2UG
The slate in this mine, which is found in veins between layers of ancient Pre-Cambrian rocks, is among the oldest in the world. Many industrial towns in Britain and Ireland have the original roofs made of Llanfair slate.