Mysteries of the AbandonedSeason 72020 · 11 episodesEpisodes1Into the Murder LabyrinthAn underground labyrinth can warp the mind and turn friend into foe.2American Ghost ParkAn abandoned theme park is home to secrets of a forgotten, imaginary world.3Secrets of Mafia IslandExperts reveal how Mafiosi was imprisoned on a Mediterranean island.4Greatest IconsExperts reveal 10 of the world's most iconic abandoned places.5Factory of DeathExperts investigate a classified military wasteland with a deadly past.6Ghosts of Black MountainExperts investigate the ghostly remnants of a beautifully constructed town.7The Doom of El DoradoExperts uncover the haunting remnants of a settlement in the Nevada desert.8Ruins of the Rust BeltDeserted buildings are evidence of a city’s lost industrial past.9Fortress of the SpyExperts investigate the ruins of a spy’s former battlefield.10Mystery of the Alien BaseExperts examine a military cover-up with extraterrestrial objectives.11Ghosts of the Cursed CastleThe ruins of a historic Scottish castle is now a bewitching wilderness of hidden dangers with deadly booby traps obscured afoot; experts and historians reveal a bygone Second World War military hospital with bizarre ties to an infamous Nazi occupant.Season 1Season 2Season 3Season 4Season 5Season 6Season 8Season 9Season 10Season 11Season 12Season 13