Michael Portillo begins a series of coastal railway journeys around the British Isles, starting in Siccar Point, the site of an extraordinary 18th-century discovery, and finishing at Holyrood House.

Michael Portillo continues his journey at the iconic Forth Bridge, before heading to tour the Royal Yacht Britannia and encountering a pair of vast steel sculptures.

Michael Portillo travels from the medieval city of Stirling through Perth, the historic crowning place of Scottish monarchs, and into Kirkcaldy, where he revisits some fond family memories.

Michael Portillo visits St Andrews, home to Scotland’s oldest university, in eastern Fife, before heading to the vibrant city of Dundee and the harbour town of Stonehaven.

Michael Portillo’s Scottish railway journey reaches Aberdeen, from which he heads to the wild and beautiful Forvie National Nature Reserve and Scotland's most easterly town, Peterhead.

Michael arrives bright and early in Inverness, from which he heads out on a scenic adventure to the Orkney archipelago and explores the battlefield at Culloden, overlooking the Moray Firth.

The stunning scenery of Scotland’s east coast continues to delight Michael Portillo as he travels by train around the Moray Firth.

Michael Portillo’s Scottish coastal railway journey reaches Invergordon on the Cromarty Firth, the third great inlet on the northeast coast of the Highlands.

Michael Portillo's coastal railway journey takes him past lochs and castles on the Far North Line to Britain’s northernmost railway station at Thurso.

Michael crosses over to the Orkney Islands, visiting the former naval base at Scapa Flow and learning about the islands' extensive Norwegian connections.

Michael starts a new railway journey in Newcastle, heading north to Berwick-upon-Tweed. His route takes in the River Tyne, Hadrian’s Wall, a former mining village and the fishing port of Amble.

Michael heads north from Newcastle to the former mining town of Lynemouth. Along the way, he visits a work of landform art made from the spoil of a coal mine and learns sea shanties in Blyth.

Michael finds a historic collection of Northumbrian bagpipes in Morpeth, before heading up the East Coast Main Line to the fishing port of Amble.

Michael travels from Alnmouth to Bamburgh Castle, an icon of Northumberland. Along the way, he takes to the waves in a traditional skiff and discover a fascinating map which charts shipwrecks.

Michael’s journey along the coast of Northumberland continues towards the Farne Islands, takes in the holy island of Lindisfarne, and finishes in England’s northernmost town, Berwick-upon-Tweed.

Michael Portillo explores the magnificent western coast of Scotland by rail and ferry, starting at the Hunterston B nuclear power plant and finishing along the deep waters of the Clyde.

From the 250-year-old 'new town' of Helensburgh on the north bank of the Clyde, Michael Portillo takes his favourite West Highland Line across to the waters of Loch Etive.

From the fishing port of Oban, Michael heads out to the Hebrides. He helps to harvest seaweed, visits the cradle of Christianity in Scotland, and sees a cave that inspired Felix Mendelssohn's music.

Michael heads aboard the Jacobite Express to cross the awe-inspiring Glenfinnan Viaduct, before visiting the immense Grampian Mountains and learning about the notorious Massacre of Glencoe.

Michael follows in the footsteps of Bonnie Prince Charlie as he travels over the sea to Skye, an island renowned for its wildlife, and then on to Lewis and Harris, home to the famous Harris Tweed.

Michael Portillo begins a new railway journey along the south coast of Wales. He visits a largely intact Roman amphitheatre and learns about the regeneration efforts in the mining town of Six Bells.

Michael Portillo continues his south Wales coastal railway journey in Barry Island, where he investigates the busy docks. He then heads to the Jurassic shoreline and the seaside resort of Porthcawl.

Michael Portillo’s rail adventure along the south coast of Wales reaches the town of Port Talbot, known across the world for its steel production.

Michael Portillo travels the breathtaking rural coastline of Carmarthenshire and Pembrokeshire, visiting a bee garden with a quarter of a million honeybees and Pembroke's magnificent Norman castle.

Michael Portillo reaches the most westerly station in Wales, Milford Haven, the biggest energy port in the United Kingdom. He then heads north, visiting Britain's smallest city and its cathedral.