Abandoned EngineeringSeries 6Season 6 · 2020 · 11 episodesEpisodes1The Lost Pirate CityWhat 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.2Forbidden IslandExamining 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.3Blast ZoneWithin a dense Polish woodland sits a forgotten complex with an explosive history. Also, grand coastal defences in Ghana reveal a tortured past.4North Of The WallA 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.5The World's Strangest Disaster ZonesAn extended special featuring a deserted Caribbean city, an American ghost town still burning and an Arctic settlement facing a terrifying future.6Defenders Of LibertyA 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.7Space PlaneA 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.8Disaster On The 38th ParallelThe mysterious Cachtice Castle home to Elizabeth Bathory, said to have killed over 600 girls and a mysterious structure on the 38th parallel.9Bunker NationA small isolated country littered with strange concrete mushrooms and a secret Japanese facility that was once at the forefront of weapons technology.10The Human ZooA 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.11Spike IslandAn 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.Season 1Season 2Season 3Season 4Season 5Season 7Season 8Season 9Season 10Season 11Season 12Season 13Season 14Season 15