Eden +1 Thursday

A multi-billion-pound 32km super sewer under the streets of London, an early sewer system at the Palace of Knossos and a pivotal piece of tunnel boring equipment from the past

David Attenborough examines the emperor penguin and the wood frog, both of which survive in conditions so cold they seem to defy the laws of nature

A chance to buy goods from the comfort of home

Investigating what happened to a pirate city in Jamaica, a grim gulag in Croatia and a Louisiana plantation caught up in the aftermath of the American Civil War

Examining a ghost island once belonging to a secretive country on the fringes of Europe. Also, a haunting site in the UK with evidence of strange burial practices

Within a dense Polish woodland sits a forgotten complex with an explosive history. Also, grand coastal defences in Ghana reveal a tortured past

A complex of stone buildings near Hadrian's Wall that were built to keep Northern hordes at bay. Also, a top secret military facility in the American Midwest

A now-silent site that played a pivotal role defending the USA through the 20th century. Plus, a crumbling Italian fortress and a ghostly Ukrainian mansion

A juggernaut of Soviet engineering which was crucial to the international space race. Deserted Scottish coastal defences and a complex that's crucial to American history

Investigating what happened to a pirate city in Jamaica, a grim gulag in Croatia and a Louisiana plantation caught up in the aftermath of the American Civil War

Examining a ghost island once belonging to a secretive country on the fringes of Europe. Also, a haunting site in the UK with evidence of strange burial practices

Within a dense Polish woodland sits a forgotten complex with an explosive history. Also, grand coastal defences in Ghana reveal a tortured past

A complex of stone buildings near Hadrian's Wall that were built to keep Northern hordes at bay. Also, a top secret military facility in the American Midwest

A now-silent site that played a pivotal role defending the USA through the 20th century. Plus, a crumbling Italian fortress and a ghostly Ukrainian mansion

A juggernaut of Soviet engineering which was crucial to the international space race. Deserted Scottish coastal defences and a complex that's crucial to American history

Investigating what happened to a pirate city in Jamaica, a grim gulag in Croatia and a Louisiana plantation caught up in the aftermath of the American Civil War

Examining a ghost island once belonging to a secretive country on the fringes of Europe. Also, a haunting site in the UK with evidence of strange burial practices

Within a dense Polish woodland sits a forgotten complex with an explosive history. Also, grand coastal defences in Ghana reveal a tortured past

Anthony Bourdain and world-renowned chef Eric Ripert, explore the indigenous Andes, from modern Lima back in time into pre-Columbian Peru in search of the world's best wild cocoa

Anthony Bourdain looks at the Congo as one of the more industrialised powers in Africa now largely crumbled to nothingness and chaos with Tim Butcher author of Blood River

A complex of stone buildings near Hadrian's Wall that were built to keep Northern hordes at bay. Also, a top secret military facility in the American Midwest

A now-silent site that played a pivotal role defending the USA through the 20th century. Plus, a crumbling Italian fortress and a ghostly Ukrainian mansion

A juggernaut of Soviet engineering which was crucial to the international space race. Deserted Scottish coastal defences and a complex that's crucial to American history

Investigating what happened to a pirate city in Jamaica, a grim gulag in Croatia and a Louisiana plantation caught up in the aftermath of the American Civil War

David Attenborough examines creatures that spin and weave, contemplating the history of silk production and its romantic origins in China