Train enthusiast Michael Portillo will be visiting west Wales tonight (Monday, September 8) on BBC Two's Great Coastal Railway Journeys.

The hit BBC show, now into its third series, follows Portillo as he visits "charming seaside towns, historic landmarks and natural wonders" and the railways that played an important part in their formation.

So far in this series, he has visited the likes of Devon, Cornwall, and the Isles of Scilly.

This week, Portillo and Great Coastal Railway Journeys will be in Wales.

On tonight's episode of Great Coastal Railway Journeys, Portillo will travel around "the ragged rocks of the western coast of Wales".

Freeview explains: "He begins on the Victorian Cliff Railway at Aberystwyth, rising above the historic town to take in views over Cardigan Bay, home to the largest population of bottlenose dolphins in Europe.

"On the beach at Borth, Michael discovers a petrified forest, part of a lost realm which was much mythologised in Wales during the Middle Ages.

The Victorian Cliff Railway in Aberystwyth will feature on BBC Two's Great Coastal Railway Journeys tonight. (Image: Getty Images/iStockphoto) "In Machynlleth in Powys, Michael visits the site of Wales's medieval national parliament and the charismatic hero who nearly achieved Welsh independence from England in the early 15th century.

"Back on the coast in the seaside resort of Tywyn, Michael finishes this leg of his journey with a glorious ride aboard the first preserved heritage railway in the world, the Talyllyn, from Tywyn to Abergynolwyn."

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Portillo will then continue his Welsh travels on Great Coastal Railway Journeys throughout the week: