Bishopstone: Tim Dunn heads to Bishopstone in Sussex, a seaside station with a difference - it's also a fortress designed to defend the nation from German attack in WWII. [S,AD]
Forth Bridge: Tim heads north of the border to scale a Scottish railway icon - the Forth Bridge, without doubt one of the engineering wonders of the world. [S,AD]
Greenwich: Tim Dunn explores London's first passenger railway - the London and Greenwich Railway, on the longest railway viaduct in Britain today. [S,AD]
Manchester: Tim Dunn discovers how railway architecture has been repurposed. He starts with Manchester's Castlefield area, where viaducts still dominate the cityscape. [S,AD]
North Staffordshire: Tim Dunn takes a trip through the history of the North Staffordshire Railway Company, admiring the beautiful Stoke Station. [S,AD]
Curzon Street: Tim Dunn visits the historic Grade 1 Curzon Street Station, to be reborn as part of the terminus for HS2, the rail link between London and Birmingham. [S,AD]
Tim Dunn rides up Mt Snowdon's railway to visit the summit station, and discovers how a glass structure envelopes Strasbourg's 19th century station. [S,AD]
Tim Dunn explores St Pancras station in London and its sister hotel - built to show off the might of the Midlands, and learns about Castle Howard station in North Yorkshire. [S,AD]
Tim Dunn explores Metroland, the area around the Metropolitan Railway, and in Great Malvern learns about the woman behind the decorative 1860s station. [S,AD]
Tim Dunn goes behind the scenes at London's Kings Cross station and finds out about the disused funicular railway hidden in the Avon Gorge in Bristol. [S,AD]
Tim Dunn explores disused tube station Down Street in Mayfair that played a crucial tactical role during WWII and tours Rotterdam's new centraal station with its designer. [S,AD]
Piccadilly Line: Tim Dunn is in London exploring the striking stations of the Piccadilly Line's northern extension. Tim also takes a look at Causey Arch in County Durham. [S,AD]
Royal Albert Bridge: Tim Dunn visits the Royal Albert Bridge and discovers how it was constructed. He also visits Wolverhampton to learn the history of its train stations. [S,AD]
Wemyss Bay: Tim Dunn visits Wemyss Bay Station in Inverclyde - an architectural gem. He also explores the engineering marvel that is Blackfriars station in central London. [S,AD]
Tim Dunn visits Swindon's railway village, which became home to Great Western's enormous works and he also explores the dark and secret past of Milan's monumental station. [S,AD]
Tim Dunn visits the architecture of the Stockton & Darlington railway, the first passenger steam line in the world and learns how Essex's enormous Chappel Viaduct was built. [S,AD]
Tim Dunn visits the former HQ of London Underground, 55 Broadway, which was the capital's first skyscraper, and sees the timber-framed Barmouth Bridge in north Wales. [S,AD]
Tim Dunn rides up Mt Snowdon's railway to visit the summit station, and discovers how a glass structure envelopes Strasbourg's 19th century station. [S,AD]
Tim Dunn explores St Pancras station in London and its sister hotel - built to show off the might of the Midlands, and learns about Castle Howard station in North Yorkshire. [S,AD]
Tim Dunn explores Metroland, the area around the Metropolitan Railway, and in Great Malvern learns about the woman behind the decorative 1860s station. [S,AD]
Saltburn: Tim Dunn visits the popular Victorian holiday resort Saltburn-by-the-Sea, exploring the North Yorkshire town that owes its very existence to the railways. [S,AD]
Saltburn: Tim Dunn visits the popular Victorian holiday resort Saltburn-by-the-Sea, exploring the North Yorkshire town that owes its very existence to the railways. [S,AD]
Bramhope Tunnel: Tim Dunn heads underground at the magnificent Victorian Bramhope Tunnel in West Yorkshire, one of the longest tunnels in Britain when it was built. [S,AD]
Bramhope Tunnel: Tim Dunn heads underground at the magnificent Victorian Bramhope Tunnel in West Yorkshire, one of the longest tunnels in Britain when it was built. [S,AD]
Tim Dunn goes behind the scenes at London's Kings Cross station and finds out about the disused funicular railway hidden in the Avon Gorge in Bristol. [S,AD]
Charing Cross: Tim Dunn uncovers the secrets above, below and inside London's Charing Cross Station. He also looks at the modern wonder of the Ordsall Chord in Manchester. [S,AD]
Charing Cross: Tim Dunn uncovers the secrets above, below and inside London's Charing Cross Station. He also looks at the modern wonder of the Ordsall Chord in Manchester. [S,AD]
Tim Dunn explores disused tube station Down Street in Mayfair that played a crucial tactical role during WWII and tours Rotterdam's new centraal station with its designer. [S,AD]
Newcastle: Tim Dunn takes to the tracks in Newcastle to explore a city rich in railway architecture. He also looks at two recording breaking structures in Scotland. [S,AD]
Newcastle: Tim Dunn takes to the tracks in Newcastle to explore a city rich in railway architecture. He also looks at two recording breaking structures in Scotland. [S,AD]
Curzon Street: Tim Dunn visits the historic Grade 1 Curzon Street Station, to be reborn as part of the terminus for HS2, the rail link between London and Birmingham. [S,AD]
Bristol: Tim Dunn goes behind the scenes at Bristol Temple Meads, a Grade 1 listed station, and is given special access to Brunel's old Tudor station and boardroom. [S,AD]
Sheffield: Tim visits Sheffield station which been reinvented for the 21st century. He also helps to restore the Bennerley Viaduct in the Erewash valley. [S,AD]
Barrow Hill: Tim explores the last working roundhouse in the UK, Barrow Hill in Derbyshire. Tim also visits Bath, a city renowned for its Georgian architecture. [S,AD]
Wingfield: Tim Dunn explores Wingfield, one of the oldest surviving railways and uncovers the longest brick viaduct in the UK, the Welland Viaduct in Northamptonshire. [S,AD]
Wingfield: Tim Dunn explores Wingfield, one of the oldest surviving railways and uncovers the longest brick viaduct in the UK, the Welland Viaduct in Northamptonshire. [S,AD]
Huddersfield: Tim Dunn explores Huddersfield's Grade I listed station and examines the station's clock, and visits Cologne's magnificent Hohenzollern Bridge in Germany. [S,AD]
Huddersfield: Tim Dunn explores Huddersfield's Grade I listed station and examines the station's clock, and visits Cologne's magnificent Hohenzollern Bridge in Germany. [S,AD]
North Staffordshire: Tim Dunn takes a trip through the history of the North Staffordshire Railway Company, admiring the beautiful Stoke Station. [S,AD]
Bristol: Tim Dunn goes behind the scenes at Bristol Temple Meads, a Grade 1 listed station, and is given special access to Brunel's old Tudor station and boardroom. [S,AD]
Bristol: Tim Dunn goes behind the scenes at Bristol Temple Meads, a Grade 1 listed station, and is given special access to Brunel's old Tudor station and boardroom. [S,AD]
Greenwich: Tim Dunn explores London's first passenger railway - the London and Greenwich Railway, on the longest railway viaduct in Britain today. [S,AD]
Sheffield: Tim visits Sheffield station which been reinvented for the 21st century. He also helps to restore the Bennerley Viaduct in the Erewash valley. [S,AD]