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.