Mysteries of the AbandonedSeason 102023 · 16 episodesEpisodes1Penthouse PalaceA porn baron dreams up a hedonistic paradise to avert nuclear catastrophe.2Castle KingdomHalf-built castles stand as a whimsical reminder of a neighborhood that was supposed to feature thermal baths and panoramic views; the ambitious project came to an abrupt halt when the construction company began to face financial difficulties...3Rock 'N' Roll IslandA Beatles legend builds a state-of-the-art studio on a Caribbean island.4K-Pop DreamlandThis spooky, unfinished amusement park serves a different purpose nowadays.5The True CrossIn a California desert, a once glittering Hollywood hotspot gets converted into a top-secret interrogation center for POWs.6Blues PrisonFormerly known as one of the toughest prisons in America, this massive complex was once home to medical experiments and a chaotic hostage situation.7Fake News FortressGraffiti scratched into the walls of a military base on the British coast sheds light on a secret raid against the Nazis.8Turkish WonderlandRemains of a grand vision become a symbol of excess in the Turkish capital.9The Montauk ConspiracyConspiracies swirl around an abandoned military base in Long Island, where it's alleged that covert government experiments took place underground.10The Ruins of TroyIn modern-day Turkey, on the coast of the Aegean Sea, archaeologists discovered hilltop ruins that are believed to be the site of one of the world's most enduring stories.11Hell IslandOn a picturesque island off the coast of Brazil, this penal colony was once the site of a dramatic prisoner uprising.12The Ruins of ArchaeopolisThis fortress once stood between the Ancient Roman and Persian Empires.13Korea's Joan of ArcA teenage girl in Korea is martyred in prison and becomes a national hero; the facility where she was held stands in remembrance of her bravery and the Korean struggle for independence...14Gunslingers and GangstersNotorious gunslinger John Dillinger once pulled off a daring escape from this unassuming jail.15Gangbusters and Gun BattlesA building in Colorado is still marked with bullet holes from a Wild West shootout between union members and state militia.16Propaganda PalaceIn the former Soviet Union, this theater and others like it were used to influence the minds of the masses.Season 1Season 2Season 3Season 4Season 5Season 6Season 7Season 8Season 9Season 11Season 12Season 13