Series 6

01 The Lost Pirate City Episode 19th July 2020 What happened to an infamous pirate city in Jamaica? Also, a grim gulag in Croatia and a Louisiana plantation caught up in the aftermath of the American Civil War. 02 Forbidden Island Episode 216th July 2020 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. 03 Blast Zone Episode 323rd July 2020 Within a dense Polish woodland sits a forgotten complex with an explosive history. Also, grand coastal defences in Ghana reveal a tortured past. 04 North Of The Wall Episode 430th July 2020 A complex of stone buildings near Hadrian's Wall that were built to keep Northern hoards at bay. Also, a top secret military facility in the American Midwest. 05 The World's Strangest Disaster Zones Episode 56th August 2020 An extended special featuring a deserted Caribbean city, an American ghost town still burning and an Arctic settlement facing a terrifying future. 06 Defenders Of Liberty Episode 63rd November 2020 A now silent site that played a pivotal role defending the U.S through the 20th century. Plus, a crumbling Italian fortress and a ghostly Ukrainian mansion. 07 Space Plane Episode 710th November 2020 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. 08 Disaster On The 38th Parallel Episode 817th November 2020 The mysterious Cachtice Castle home to Elizabeth Bathory, said to have killed over 600 girls and a mysterious structure on the 38th parallel. 09 Bunker Nation Episode 924th November 2020 A small isolated country littered with strange concrete mushrooms and a secret Japanese facility that was once at the forefront of weapons technology. 10 The Human Zoo Episode 101st December 2020 A creepy collection of buildings, monuments hidden in a Parisian park and an eerie graveyard of discarded ships strewn along the banks of a mighty river. 11 Spike Island Episode 118th December 2020 An impressive compound commandeered and repurposed by a brutal regime and an eerie complex off the coast of Ireland that became the biggest of its kind.