Season 1
S1.E1 ∙ Silent CitiesS1.E2 ∙ Mission: SpaceS1.E3 ∙ Lost BridgesS1.E4 ∙ Ghost ShipsS1.E5 ∙ Quest for PowerS1.E6 ∙ Roads to Nowhere
Season 2
S2.E1 ∙ Hitler's Army PowerhouseS2.E2 ∙ Britain's Sea Fort ComplexS2.E3 ∙ The Italian Dam DisasterS2.E4 ∙ Battle of Britain Technology FacilityS2.E5 ∙ The Abandoned Nazi RailwayS2.E6 ∙ America's Jungle CityS2.E7 ∙ Germany's Lost WarshipS2.E8 ∙ Lost Highway in the Rainforest
Season 3
S3.E1 ∙ England's Abandoned VillageS3.E2 ∙ The Siege Of SarajevoS3.E3 ∙ Hitler's Wonder Weapon BunkerS3.E4 ∙ Germany's D-Day FortressS3.E5 ∙ The Desert Ghost FleetS3.E6 ∙ The Underwater PrisonS3.E7 ∙ A Ghost Town in SpainS3.E8 ∙ Sabotage In The Mountains
Season 4
S4.E1 ∙ The World's Strangest Ghost TownS4.E2 ∙ Palace of DeathS4.E3 ∙ Guernsey Nazi TowersS4.E4 ∙ Bodie USAS4.E5 ∙ Tunnel to the UnderworldS4.E6 ∙ Escobar's RuinS4.E7 ∙ Villa De Vecci RhodesS4.E8 ∙ Pyramiden NorwayS4.E9 ∙ Behind the Berlin Wall SpecialS4.E10 ∙ Bannock USAS4.E11 ∙ Buckner Building AlaskaS4.E12 ∙ 1936 Olympic Village Berlin
Season 5
S5.E1 ∙ Disaster in the DesertS5.E2 ∙ The Valkyrie AssassinS5.E3 ∙ Escape from Devil's IslandS5.E4 ∙ Top Secret Nuclear ArsenalS5.E5 ∙ A Nation Torn ApartS5.E6 ∙ Ghosts of the SwampS5.E7 ∙ Death Behind BarsS5.E8 ∙ Behind Enemy Lines
Season 6
S6.E1 ∙ The Lost Pirate CityS6.E2 ∙ Forbidden IslandS6.E3 ∙ Blast ZoneS6.E4 ∙ North of the WallS6.E5 ∙ The World's Strangest Disaster ZonesS6.E6 ∙ Defenders of LibertyS6.E7 ∙ Space PlaneS6.E8 ∙ Disaster on the 38th ParallelS6.E9 ∙ Bunker NationS6.E10 ∙ The Human ZooS6.E11 ∙ Spike Island
Season 7
S7.E1 ∙ Hollywood HeroesS7.E2 ∙ Stalin's SubwayS7.E3 ∙ Disaster at the Maya HotelS7.E4 ∙ Murder UndergroundS7.E5 ∙ El Dorado CanyonS7.E6 ∙ The Mafia BunkerS7.E7 ∙ Ruins of the Rust BeltS7.E8 ∙ American Ghost ParkS7.E9 ∙ Fortress of the SkyS7.E10 ∙ Catastrophe and Cover UpS7.E11 ∙ Dead Sea DisasterS7.E12 ∙ Global Icons
Season 8
S8.E1 ∙ Heroes and VillainsS8.E2 ∙ Paradise LostS8.E3 ∙ A Royal DeceptionS8.E4 ∙ Mafia Seaside ResortS8.E5 ∙ The Giant SpeakerS8.E6 ∙ Cathedral of SewageS8.E7 ∙ The Secret BunkerS8.E8 ∙ The Battle of San PietroS8.E9 ∙ Divine InterventionS8.E10 ∙ Shadow of the WarsS8.E11 ∙ Death in ParadiseS8.E12 ∙ Before the Crown
Season 9
S9.E1 ∙ Megalomaniac's PalaceS9.E2 ∙ Jungle Fantasy LandS9.E3 ∙ The Beached LeviathanS9.E4 ∙ Niagara's Hidden MarvelS9.E5 ∙ Apocalyptic SkyscraperS9.E6 ∙ Ruins of EmpireS9.E7 ∙ Trouble in ParadiseS9.E8 ∙ Experiments of WarS9.E9 ∙ Ancient EncounterS9.E10 ∙ Tunnel of TerrorsS9.E11 ∙ Alien ContactS9.E12 ∙ Treasures to Die For
Season 10
S10.E1 ∙ Raiders and InvadersS10.E2 ∙ The RockS10.E3 ∙ Enemy at the GatesS10.E4 ∙ Cowboy MountainS10.E5 ∙ Drone WarsS10.E6 ∙ MoonshotS10.E7 ∙ Rock and RuinS10.E8 ∙ Castle of the OccultS10.E9 ∙ The Green LineS10.E10 ∙ Blitz SpiritS10.E11 ∙ An American ExodusS10.E12 ∙ The Drop
Season 11
Abandoned Engineering (2016)
Structures of steel and iron eerily stand unfinished after they were abandoned midway in construction, covered in weeds, moss and rust, the show explores what they could have been.