Eden +1 Friday

An ominous tower in the forests of Croatia, a New York City complex that broke the mould, and a grand facility guarding the London riverbanks

David Attenborough explores nature's evolutionary anomalies and examines creatures whose stretched features have given them an edge in the natural world

A chance to buy goods from the comfort of home

Following three preserved steam railway lines - the South Devon Railway heritage line, the Ffestiniog and Welsh Highlands Railway and the Great Central Railway

At the Ffestiniog and Welsh Highlands Railway, manager Stephen Greig is trying to ensure that all goes to plan ahead of the opening of the new station at Caernarfon

At South Devon, engineer Ray Lee is working to bring a loco back in to service. There is also a visit to the SS Kingswear paddle steamer In Dartmouth, the oldest vessel of its kind

Tim Dunn explores the disused Tube station Down Street in Mayfair, that played a crucial tactical role during the Second World War

Tim Dunn visits the Ffestiniog railway in north Wales, originally built to transport slate from mountain to coast, and learns about Amsterdam Centraal

Tim Dunn goes behind the scenes at London's King's Cross station and finds out about the disused funicular railway hidden in the Avon Gorge in Bristol, blasted out of the cliff

Following three preserved steam railway lines - the South Devon Railway heritage line, the Ffestiniog and Welsh Highlands Railway and the Great Central Railway

At the Ffestiniog and Welsh Highlands Railway, manager Stephen Greig is trying to ensure that all goes to plan ahead of the opening of the new station at Caernarfon

At South Devon, engineer Ray Lee is working to bring a loco back in to service. There is also a visit to the SS Kingswear paddle steamer In Dartmouth, the oldest vessel of its kind

Tim Dunn explores the disused Tube station Down Street in Mayfair, that played a crucial tactical role during the Second World War

Tim Dunn visits the Ffestiniog railway in north Wales, originally built to transport slate from mountain to coast, and learns about Amsterdam Centraal

Tim Dunn goes behind the scenes at London's King's Cross station and finds out about the disused funicular railway hidden in the Avon Gorge in Bristol, blasted out of the cliff

Documentary looking at railroads constructed during history's most turbulent periods, now associated with some of mankind's ugliest deeds. Beginning with the Trans-Pyrenees Railway

An exploration of the Harz Mountain Railway in Germany - Europe's longest rail network - which still uses steam locomotives and has a murky, hidden past

The White Pass and Yukon Railroad over the US-Canada border, which began construction after the Klondike Gold Rush in the late 19th century and saw 35 workers lose their lives

Bourdain takes an alternative tour of the city, focusing on the Latino communities, from Oaxaqueno specialities at Gish Bac and to dinner with Danny Trejo at Trejo's Cantina

Bourdain visits the coastal city of San Sebastian for seared wild mushrooms and foie gras with raw egg yolk at Ganbara, and Basque delicacy grilled turbot at Elkano

Following three preserved steam railway lines - the South Devon Railway heritage line, the Ffestiniog and Welsh Highlands Railway and the Great Central Railway

At the Ffestiniog and Welsh Highlands Railway, manager Stephen Greig is trying to ensure that all goes to plan ahead of the opening of the new station at Caernarfon

At South Devon, engineer Ray Lee is working to bring a loco back in to service. There is also a visit to the SS Kingswear paddle steamer In Dartmouth, the oldest vessel of its kind

Tim Dunn explores the disused Tube station Down Street in Mayfair, that played a crucial tactical role during the Second World War

David Attenborough examines how fleas are able to jump great distances for their size and attempts to discover how fast a cheetah can run