West Wales

Pembrokeshire Coast National Park is the only UK national park that is mostly coastline, and its 186-mile path strings together cliffs, coves and some of Britain's best beaches — Barafundle, Whitesands, Marloes. St Davids, with its cathedral in a hollow, is the smallest city in Britain. Offshore, Skomer and Ramsey carry puffins and seals; inland, Carmarthenshire and Ceredigion stay green and quiet.

Best time: May–Sep; Apr–Jul for puffins on Skomer

• Pembrokeshire Coast National Park and its coast path
• Barafundle Bay and Whitesands
• St Davids — Britain's smallest city — and its cathedral
• Skomer Island puffins
• The National Botanic Garden of Wales