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All Seasons

Season 1

  • S01E01 Silent Cities

    • February 18, 2017
    • Yesterday

    Empty buildings and infrastructures are full of the echoes of real people and vanished lives, leaving many questions unanswered and mysteries unsolved. We explore the worlds strangest engineering projects that created empty silent cities. We ask why a ruined cold war air base has become a no-go area and how a tiny Japanese mining island become the most over-crowded place on the planet. We find out if the street layout of the Soviet Union's model city become a matter of life or death for its population. And how did Nazi Germany create a huge mind control facility at a holiday resort?

  • S01E02 Mission: Space

    • February 25, 2017
    • Yesterday

    We aim for the stars and find out why unwanted battleship guns allow the United States to gain vital information about the borders of space. We ask how the shattered remains of a secret Nazi base became the first on the path to a new world, with the development of the ground-breaking V2 rocket. We explore a forgotten structure deep in the Arizona desert to ask if it is the true home of America's space programme. And we reveal the bizarre link between a discarded oil drum and a Cold War struggle to survive in zero gravity.

  • S01E03 Lost Bridges

    • March 4, 2017
    • Yesterday

    Soaring across some of the widest rivers and deepest valleys on the planet, bridges have always been at the cutting edge of engineering. We travel high into the mountains of the Colorado desert to find out why a hidden engineering masterpiece could disappear at any time. We ask why a stretch of overgrown concrete in a Czech reservoir is known as 'Hitler's bridge'. We find out how the highest bridge in the world collapsed in less than one minute. Finally, we uncover the story behind Cape Town's invisible bridge, which never carried a single vehicle.

  • S01E04 Ghost Ships

    • March 24, 2017
    • Yesterday

    Hear about some once-great triumphs of marine engineering, now left to rust. A ship graveyard in Maryland has been colonised by wildlife. And we go inside a Cold War sub.

  • S01E05 Quest for Power

    • March 31, 2017
    • Yesterday

    Quest for Power: Hear about some disused structures that were once at the forefront of power supply, including Kelenfold Power Station in Budapest and Wardenclyffe Tower in New York.

  • S01E06 Roads to Nowhere

    • March 31, 2017
    • Yesterday

    Hear how a crumbling hill in the Peak District and dunes in California caused the closure of two roads. Learn why a route used by the French Resistance shut in 2005.

Season 2

  • S02E01 Hitler's Army Powerhouse

    • May 8, 2018
    • Yesterday

    Hear how the Politz synthetic fuel plant in Poland, now a derelict site, was once central to Nazi Germany's drive to become self-sufficient on fuel.

  • S02E02 Britain's Sea Fort Complex

    • May 15, 2018
    • Yesterday

    The creation of a set of Second World War sea defences built near the mouth of the River Thames to protect London. Plus, a concrete pyramid build during the Cold War.

  • S02E03 The Italian Dam Disaster

    • May 22, 2018
    • Yesterday

    An abandoned concrete wall... five strange deserted structures. A lost escape route from nuclear Armageddon... A submerged link to D-day... Once they were at the cutting edge of design and construction, now they lie disused, contaminated and dangerous. But who built them? And why were they abandoned?

  • S02E04 Battle of Britain Technology Facility

    • May 29, 2018
    • Yesterday

    Learn about the strange-looking, derelict military facilities in Farnborough, which were once wind tunnels that played a vital role in WWII.

  • S02E05 The Abandoned Nazi Railway

    • June 5, 2018
    • Yesterday

    The Canfranc Railway Station is a large and elaborate abandoned Nazi railway station in the Spanish Pyrenees. Why was it built?

  • S02E06 America's Jungle City

    • June 12, 2018
    • Yesterday

    Henry Ford's Fordlandia Rubber Town has been left to rot in the Amazon Rainforest, but it was once a symbol of the American dream.

  • S02E07 Germany's Lost Warship

    • June 19, 2018
    • Yesterday

    The Georg Thiele was a technological masterpiece, but now it is a shipwreck, lost to the sea after running aground during a naval battle in WWII.

  • S02E08 Lost Highway In The Rainforest

    • June 26, 2018
    • Yesterday

    Hidden in the Brazilian jungle is the Petrobras Viaduct, an extraordinary highway that seemingly leads nowhere. Who built it and why?

Season 3

  • S03E01 The Desert Ghost Fleet

    • March 26, 2019
    • Yesterday

    The programme looks at a mysterious group of rusting ships stranded in an arid desert, a monstrous defensive line on the snow-covered peaks of the Italian Alps, a ghostly collection of buildings, and the sunken remains of a unique vessel.

  • S03E02 The Underwater Prison

    • April 2, 2019
    • Yesterday

    An abandoned prison beneath the water, a tunnel in the heart of a mountain, concrete towers hidden in the woods and a rusting coastal relic.

  • S03E03 The Siege Of Sarajevo

    • April 9, 2019
    • Yesterday

    Concrete channels hidden in a mountaintop forest, a collapsing bridge, a marooned military base and the upright rusting carcass of ship.

  • S03E04 Sabotage In The Mountains

    • April 16, 2019
    • Yesterday

    A towering structure with an explosive past, a deserted cityscape, a mysterious top-secret facility and a vast Nazi construction.

  • S03E05 Germany’s D-Day Fortress

    • April 23, 2019
    • Yesterday

    A devastated cliff-top ruin, an extraordinarily tall tower, a concrete structure stranded at sea and a heavy metal monster in a field all feature.

  • S03E06 Hitler’s Wonder Weapons Bunker

    • April 30, 2019
    • Yesterday

    Hidden tunnels that saw a city prosper, a sunken wreck with a remarkable past, a concrete wartime dome and a mysterious Cold War building.

  • S03E07 A Ghost Town in Spain

    • May 7, 2019
    • Yesterday

    A village ruin, pitted and scarred, a ghostly fleet of ships, a bridge to nowhere hidden in a forest and strange metal structures in a wood.

  • S03E08 England's Abandoned Village

    • May 14, 2019
    • Yesterday

    An eerie, empty country village which hides a sad secret, a mysterious tower battered by the elements and a disused railway deep beneath the streets of a city.

Season 4

  • S04E01 The World's Strangest Ghost Town

    • June 27, 2019
    • Yesterday

    A settlement in Argentina destroyed by floods, a town in the US that has been erased, and a Soviet dream-town that turned into a nuclear nightmare.

  • S04E02 Palace of Death

    • July 4, 2019
    • Yesterday

    A seemingly endless concrete line stretching through the French countryside, which sits as a monument to a discarded engineering advancement.

  • S04E03 Guernsey Nazi Towers

    • July 11, 2019
    • Yesterday

    A little-known dark past explains the vast monolithic structures that dominate the small British island of Guernsey.

  • S04E04 Bodie USA

    • July 18, 2019
    • Yesterday

    Projects include a maze of tunnels filled with haunting remains beneath the streets of Paris and a strange formation of domed structures hovering over the waters off Florida.

  • S04E05 Tunnel To The Underworld

    • July 25, 2019
    • Yesterday

    A town in West Virginia that fell victim to the pace of change when steam trains became obsolete and an underground complex in Italy that had been abandoned for nearly 2,000 years.

  • S04E06 Escobar's Ruin

    • August 1, 2019
    • Yesterday

    Features a ruined compound in Colombia which was once home to Pablo Escobar and alien-looking structures with no apparent purpose, isolated in an empty English marshland in Denge, near Dungeness in Kent. But how and why were they ever built at all, and why are they now left abandoned?

  • S04E07 Villa De Vecchi Rhodes

    • August 8, 2019
    • Yesterday

    A formerly luxurious and strategic mountain-top villa on the island of Rhodes in the Mediterranean that's been ravaged by acts of revenge by locals since 1955.

  • S04E08 Pyramiden Norway

    • October 31, 2019
    • Yesterday

    A strange-looking deserted town with an almost supernatural atmosphere on a remote Norwegian archipelago in the Arctic Ocean was in fact an ambitious Soviet mining outpost with a tragic history. Also, a collection of imposing buildings on the southern tip of Australia, the remains of curious-looking basins emerging from the waves in the shadow of the Golden Gate Bridge and the ruins of a monumental construction project in southern Germany that was a ruthless regime's deadly prototype.

  • S04E09 Behind The Berlin Wall

    • November 7, 2019
    • Yesterday

    Once they were at the heart of the Communist empire, now they lie abandoned leaving only memories of a time before the fall of the Berlin Wall. Now, each haunted shell is ready to reveal its own story. Still standing today, a fierce-looking prison and an innocuous looking office building in Berlin were actually the headquarters of a feared and ruthless organisation - the Stazi. Also, a covert Communist base hid Cold War submarines for Tito, the former leader of Yugoslavia on the island of Vis. A seemingly innocuous sports centre hides a sinister underground bunker. And the former HQ of the Soviet Army in East Germany was a forbidden Soviet city within a city - the vast site in the East of Berlin is still abandoned today but its architecture still impresses and even the statues of Lenin still stand in this visually remarkable, place from another time.

  • S04E10 Bannack USA

    • November 14, 2019
    • Yesterday

    A sprawling Wild West ghost town sits peaceful and abandoned in Montana, USA, but is still haunted by tales of murder, corruption and buried treasure. Also, a cold, dark, underground mountain network that cost the lives of thousands... the crumbling ruins of an English industry that turned poison into profit... a peaceful village that was shattered by the terrors of war.

  • S04E11 Buckner Building Alaska

    • November 21, 2019
    • Yesterday

    A vast snowcovered monster in the icy wilderness of southern Alaska, a ruined super structure that overshadows everything around it in and a landscape of confusing and surprising structures that once represented a bold statement of Spain's plans for the future. Plus, a long, winding formation that was once supposed to help defend Hitler's Third Reich. And in Budapest, Hungary, the stripped skeleton of an industrial relic lies rusting away.

  • S04E12 1936 Olympic Village Berlin

    • November 28, 2019
    • Yesterday

    A pioneering complex marked by both glory and tragedy that's soon to be lost forever, and towering remains from an industrial age.

Season 5

  • S05E01 Disaster in the Desert

    • January 21, 2020
    • Yesterday

    The desert town that faced a disaster of biblical proportions. Plus, vast coastal ruins that reveal a past once wiped from history.

  • S05E02 The Valkyrie Assassin

    • January 28, 2020
    • Yesterday

    The underground base with the power to destroy a nation, the site linked with an attempt to kill a dictator, and an ancient world discovered in the American wilderness.

  • S05E03 Escape from Devil's Island

    • February 4, 2020
    • Yesterday

    Claustrophobic prison cells that contain a story worthy of international acclaim, and a vast mountainside complex that held the power to change the world.

  • S05E04 Top Secret Nuclear Arsenal

    • February 11, 2020
    • Yesterday

    A secretive underground base that concealed the power to destroy nations, and a sprawling industrial relic clinging to the edge of an unforgiving waterfall.

  • S05E05 A Nation Torn Apart

    • February 18, 2020
    • Yesterday

    Including an exploration of a marooned iron-clad structure in Portland, off the coast of England, that hides a dramatic story of war and resilience; Pratt Cotton Gin Mill, a vast facility in the heart of America's deep south that helped tear apart a nation; and a Mediterranean island fortress at Spinalonga, Greece, that became the scene of a dark conspiracy.

  • S05E06 Ghosts of the Swamp

    • February 25, 2020
    • Yesterday

    Including an exploration of forgotten relics from the defence of America's homeland, at Fort Jackson, USA, concealed by the banks of the Mississippi River; a concrete behemoth at Lorient Sub Base, on the coast of France, that proved invulnerable to enemy bombardment; and a ghostly ruin at Gwrych that is now home to a haunting presence.

  • S05E07 Death Behind Bars

    • March 3, 2020
    • Yesterday

    An American prison for the violent and deranged with links to an infamous cult leader, and a cavernous tunnel network in France offering shelter from unrelenting bombardment.

  • S05E08 Behind Enemy Lines

    • March 10, 2020
    • Yesterday

    An Albanian village home to Allied secret agents, devastated for resisting the Nazi war machine, and a notorious asylum in America that enforced lobotomies on a terrifying scale.

Season 6

  • S06E01 The Lost Pirate City

    • July 9, 2020
    • Yesterday

    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.

  • S06E02 Forbidden Island

    • July 16, 2020
    • Yesterday

    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.

  • S06E03 Blast Zone

    • July 23, 2020
    • Yesterday

    Within a dense Polish woodland sits a forgotten complex with an explosive history. Also, grand coastal defences in Ghana reveal a tortured past.

  • S06E04 North Of The Wall

    • July 30, 2020
    • Yesterday

    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.

  • S06E05 The World’s Strangest Disaster Zones (1)

    • August 6, 2020
    • Yesterday
  • S06E06 The World’s Strangest Disaster Zones (2)

    • August 6, 2020
    • Yesterday
  • S06E07 Defenders Of Liberty

    • November 3, 2020
    • Yesterday

    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.

  • S06E08 Space Plane

    • November 10, 2020
    • Yesterday

    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.

  • S06E09 Disaster On The 38th Parallel

    • November 17, 2020
    • Yesterday

    The mysterious Cachtice Castle home to Elizabeth Bathory, said to have killed over 600 girls and a mysterious structure on the 38th parallel.

  • S06E10 Bunker Nation

    • November 24, 2020
    • Yesterday

    A small isolated country littered with strange concrete mushrooms and a secret Japanese facility that was once at the forefront of weapons technology.

  • S06E11 The Human Zoo

    • December 1, 2020
    • Yesterday

    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.

  • S06E12 Spike Island

    • December 8, 2020
    • Yesterday

    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.

Season 7

  • S07E01 Hollywood Heroes

    • January 13, 2021
    • Yesterday

    Legendary film sets with surprising pasts and real locations that inspired Hollywood. Within these decaying structures are the echoes of history.

  • S07E02 Stalin's Subway

    • January 20, 2021
    • Yesterday

    In North Wales a secret facility which once manufactured mustard gas and enriched uranium lies in ruins. In Malta is a luxurious quarantine facility, that hides a dark secret.

  • S07E03 Disaster at the Maya Hotel

    • January 27, 2021
    • Yesterday

    Ruins of a vast industrial ghost town in the United States, a windswept Scottish island and the remains of a resort in Japan that watched a city burn.

  • S07E04 Murder Underground

    • February 3, 2021
    • Yesterday

    An engineering masterpiece carved into the cliff-face, and a long-range beacon that transmitted one of the most infamous messages in American history.

  • S07E05 El Dorado Canyon

    • February 10, 2021
    • Yesterday

    An American desert canyon where fortunes were made and lives were lost, and an island fortress in Scotland with an Achilles heel.

  • S07E06 The Mafia Bunker

    • February 17, 2021
    • Yesterday

    An iron monster lost in the Alaskan tundra, a Crusader fort thrown into a modern conflict, and a prison built to house a mafia kingpin.

  • S07E07 Ruins of the Rust Belt

    • February 24, 2021
    • Yesterday

    A real-life concrete jungle in America's 'Rust Belt', and an industrial facility that brought energy to a remote corner of the world.

  • S07E08 American Ghost Park

    • March 3, 2021
    • Yesterday

    A Middle Eastern region littered with ruins and a strange facility in Taiwan that struck fear into the hearts of those who knew its true purpose.

  • S07E09 Fortress of the Sky

    • March 10, 2021
    • Yesterday

    Eerie ruins hiding in the forested hills of Arkansas, USA, and a disintegrating gulag in Albania that housed enemies of the state.

  • S07E10 Catastrophe and Cover Up

    • March 17, 2021
    • Yesterday

    A volcanic island just off Taiwan containing chilling ruins from its darkest era, and a miniature railway that lies forgotten in the woods of Arkansas.

  • S07E11 Dead Sea Disaster

    • March 24, 2021
    • Yesterday

    A fairy-tale castle that staged one of the strangest stories of the Second World War and a haunting complex on an old American Frontier.

  • S07E12 Global Icons

    • March 31, 2021
    • Yesterday

    Bizarrely-shaped huts in India, once home to global superstars, are now eerily quiet and neglected, and a shattered compound in Colombia linked to a criminal mastermind.

Season 8

  • S08E01 Heroes & Villains

    • July 30, 2021
    • Yesterday

    The home of an African dictator and a sporting hero, and the facility that held apartheid's greatest critic are abandoned, but still have unique stories to tell.

  • S08E02 Paradise Lost

    • August 6, 2021
    • Yesterday

    Exploring a ghost town in Colorado, the remnants of an industrial enterprise in Puerto Rico, and a remote village on Cyprus.

  • S08E03 A Royal Deception

    • August 13, 2021
    • Yesterday

    Exploring a jungle refuge concealing a story of royal deceit, nuclear bunkers infiltrated by outsiders, and a haunted hospital marked by scandal.

  • S08E04 Mafia Seaside Resort

    • August 20, 2021
    • Yesterday

    Exploring a beachside resort with ties to the Russian mafia, a windswept base hiding lifesaving technology, and a site in Iowa plagued by its past.

  • S08E05 The Giant Speaker

    • August 27, 2021
    • Yesterday

    Exploring a bizarre block in Taiwan resembling a giant speaker, a pioneering venture in Alaska, and an alpine village that masks a military beast.

  • S08E06 Cathedral of Sewage

    • September 3, 2021
    • Yesterday

    An ominous tower in the forests of Croatia, a New York City complex that broke the mould, and a grand facility guarding the London riverbanks.

  • S08E07 The Secret Bunker

    • September 10, 2021
    • Yesterday

    Exploring a desert island with an infected past adrift from the US mainland, the brutalist palace of a mad Bulgarian dictator, and a doomed top-secret Nazi project.

  • S08E08 The Battle of San Pietro

    • September 17, 2021
    • Yesterday

    Featuring Italian ruins immortalised by Hollywood, a crumbling Chilean city with two lives and a brutalist Scottish relic whose prayers went unanswered.

  • S08E09 Divine Intervention

    • September 24, 2021
    • Yesterday

    Exploring a luxury resort that conceals a top-secret facility, a mysterious complex in Bali struck by disaster, and a relic of hope near Jerusalem.

  • S08E10 Shadow of the Wars

    • October 1, 2021
    • Yesterday

    Exploring a dystopian powerhouse in Pennsylvania, USA, a fairy-tale castle in Poland and AngloSaxon religious ruins across vast plains of Scotland.

  • S08E11 Death In Paradise

    • October 8, 2021
    • Yesterday

    Exploring a bloody battleground on the Pacific Island of Peleliu and an ominous military stronghold in Russia.

  • S08E12 Before The Crown

    • October 15, 2021
    • Yesterday

    Exploring the honeymoon home of a young princess and grand monuments designed by the most notorious dictator of the 20th century.

Season 9

  • S09E01 Megalomaniac's Palace

    • March 21, 2022
    • Yesterday

    Exploring a once lavish palace in Iraq, the Sathorn Unique, an epic ghost tower in Thailand, and a former sports stadium in Georgia, USA

  • S09E02 Jungle Fantasy Land

    • March 28, 2022
    • Yesterday

    Exploring the remains of a pioneering industry town in Ohio, a once beautiful Croatian resort bombarded by enemy fire, and an otherworldly garden of Eden in Mexico.

  • S09E03 The Beached Leviathan

    • April 4, 2022
    • Yesterday

    The graffitied remains of a correctional facility in Atlanta, USA with a controversial and unexpected past, forgotten remnants of fraud and fusion on the Western border of Argentina and a mysterious ancient complex built by a devoted Khmer King in the jungles of Cambodia.

  • S09E04 Niagara's Hidden Marvel

    • June 6, 2022
    • Yesterday

    Exploring a royal retreat caught in a web of corruption, an engineering marvel hidden behind the Niagara Falls in Canada, and a subterranean treasure.

  • S09E05 Apocalyptic Skyscraper

    • April 18, 2022
    • Yesterday

    Exploring a ruined castle above a German village, a rural town in Idaho, a futuristic skyscraper in Johannesburg and a fantasy world outside of Buenos Aires.

  • S09E06 Ruins of Empire

    • April 25, 2022
    • Yesterday

    Exploring a British fort that became a bizzare zoo, a brutalist school for Communist top brass and a lost world hides secrets of a vanished people.

  • S09E07 Trouble In Paradise

    • May 2, 2022
    • Yesterday

    Exploring a luxury resort in Argentina, a Greek palace above a Mexican city and a former hotel in Hawaii.

  • S09E08 Experiments of War

    • May 9, 2022
    • Yesterday

    Exploring a crumbling dam hidden in the Welsh valleys, a quaint outpost on a paradise island, and a mastery of ancient engineering that brought life to the planes of Mexico.

  • S09E09 Ancient Encounter

    • May 16, 2022
    • Yesterday

    Exploring a picturesque French castle, the ruins of a Kansas City hospital, an ancient Turkish city, and an island in Ireland that brought its inhabitants closer to God.

  • S09E10 Alien Contact

    • May 23, 2022
    • Yesterday

    Exploring a complex in Georgia pointing into deep space that almost discovered a signal from aliens.

  • S09E11 Treasures To Die For

    • May 30, 2022
    • Yesterday

    Exploring Hartwood, a haunting facility in Scotland, plus ruins of an ancient city in Iraq and a scandal-hit town in New Mexico.

  • S09E12 Tunnel of Terrors

    • April 11, 2022
    • Yesterday

    Exploring a military strong-hold in the Philippines, a facility that spawned an American sporting great, and an English relic that hosted a cinematic sensation.

Season 10

  • S10E01 Raiders & Invaders

    • September 5, 2022
    • Yesterday

    Explore Oradour-sur-Glane, a French town drenched in infamy, the victim of a notorious raid, Alcatraz, a facility famed for breakouts, subjected to a daring break-in, and Sealand, a micronation off the English coast, stormed by a band of mercenaries.

  • S10E02 The Rock

    • September 12, 2022
    • Yesterday

    The Tunnels of Gibraltar were a Second World War espionage base hidden in the Rock of Gibraltar. An ingenious US Airforce project that continues to keep us safe is preserved at the Atlas-1 Test Site. At Roghudi Vecchio, an ancient culture is threatened when an Italian town is deserted. At Naissaar, a highly classified Soviet munitions factory is hidden in Estonian forests.

  • S10E03 Enemy At The Gates

    • September 19, 2022
    • Yesterday

    Exploring a series of vaults, hidden from view in Edinburgh, Scotland that tell a murky story of opportunity, crime and destitution. The Old Herring Factory is a remote Icelandic facility that significantly impacted the country’s economy; in the calm waters of Croatia’s Adriatic Sea, Fort Punta is a vast fortification; and in the ruins of an Alaskan battleground at Fort Schwatka Unalaska are the remains of an Alaskan battleground where a foreign invader set foot on American soil for the first time since 1812.

  • S10E04 Cowboy Mountain

    • September 26, 2022
    • Yesterday

    The remains of Chiatura, formerly known as the Venice of the air, an ingenious sky-high solution to a ground-based problem, were discovered in the former Soviet republic of Georgia. Ghost Town in the Sky was an Appalachian dream that conjured the spirit of the old west, left to rot on a North Carolina mountainside. The enormous Guernsey Hospital was constructed when a portion of Britain was under the Nazi yoke. Houtouwan, a simple Chinese island, was involved in a brutal revolution that brought about a tragic period of mass imprisonment and murder.

  • S10E05 Drone Wars

    • October 3, 2022
    • Yesterday

    In a battle decided by a brand-new weapon of war, Agdam, a city in Azerbaijan, was levelled to the ground. In addition, there are two puzzlingly deserted towns in Sicily, a Kansas City Workhouse that seems to have been constructed for the aristocracy, a vast complex in Estonia that inspired a revolution, and more.

  • S10E06 Moonshot

    • October 10, 2022
    • Yesterday

    An industrial ruin in the Florida Everglades that once took part in the greatest race the human race has ever seen; a community in Indonesia torn apart by a terrifying and deadly unseen force; the graffiti-covered walls of an Ibizan legend hinting at a fun-loving past; and a Bulgarian school hiding an ambitious and covert plan for retaliation.

  • S10E07 Rock And Ruin

    • October 17, 2022
    • Yesterday

    Exploring traces of a mass deception hidden at Ponte Dirillo in Italy, as well as a once lavish theatre in Ohio and an ancient city with a poisonous secret. A once-opulent theatre in Ohio that brought down the house, an ancient city with a poisonous secret that was only recently revealed, a war-torn shell given new purpose by a blockbuster series, and traces of a massive deception buried across an Italian island are just a few examples of the stories that are told in this episode.

  • S10E08 Castle Of The Occult

    • October 24, 2022
    • Yesterday

    Explores a dense forest near the Czech capital of Prague that hides Houska Castle, an eerie keep that has been subject to long-standing rumours that it possesses supernatural powers. The ruins of a massive stadium that promised a valiant sporting victory over western rivals lie in the disputed region of Abkhazia; a mysterious castle rumoured to have supernatural powers is hidden in a dense forest not far from Prague; a luxurious hotel was looted by a cruel warlord in Liberia, West Africa; and the scattered ruins of a settlement in north-central Arizona reveal an ancient one that was given life by a deadly force.

  • S10E09 The Green Mile

    • October 31, 2022
    • Yesterday

    Exploring Serbia, Fort Pike in Louisiana, and a mountainside refuge in Georgia that was revealed to the world by an act of God.

  • S10E10 Blitz Spirit

    • November 7, 2022
    • Yesterday

    Exploring a grand structure in Hull that was reduced to rubble by Hitler's planes, Casa Albero in Italy, USS Hornet in California and the Sofia tunnels. This episode looks at the Casa Albero in Italy, the USS Hornet in California, and the Sofia tunnels. Also a grand building in Hull that was once the centre of the community was destroyed by Hitler’s planes while those inside were laughing at him on the big screen.

  • S10E11 An American Exodus

    • November 14, 2022
    • Yesterday

    Exploring a decrepit Liberian landmark with American origins, a desolate town in Belgium and a pioneering scientific structure in Cleveland. Doel, a ghost town in Belgium, stands in the shadow of its destroyer. Chacaltaya Ski Resort in Bolivia is a high-altitude retreat that was once a world-class sporting resort but has been robbed of its lifeblood by a global threat. Warner & Swasey, a groundbreaking scientific building in Cleveland, has been rendered obsolete by light pollution.

  • S10E12 The Drop

    • November 21, 2022
    • Yesterday

    Exploring the Dew Drop Inn in New Orleans that dared to take on the authorities and paid the price and Belgica Fort, built to defend an unlikely treasure. The Dew Drop Inn, a New Orleans music mecca that defied the law and paid the price; Belgica Fort, an epic ruin constructed to protect an unlikely treasure; and the aftereffects of West-81, a military exercise that shook the West to its core.

Season 11

  • S11E01 Rock 'N' Roll Island

    • May 15, 2023
    • Yesterday

    Exploring Air Studios, on the Island of Montserrat, that became a mecca for rock legends. Also Tskaltubo, in Georgia, built to host a fearsome dictator.

  • S11E02 Penthouse Palace

    • May 22, 2023
    • Yesterday

    Exploring Haludovo Palace Hotel in Croatia, Wolf's Lair, a German military complex and Herouni Mirror Radio Telescope - a pioneering facility in Armenia.

  • S11E03 Castle Kingdom

    • May 29, 2023
    • Yesterday

    Exploring a theme park in Buenos Aires built in a time of terror and dogged by controversy, and a jaw-dropping collection of castles in Turkey.

  • S11E04 Fake News Fortress

    • June 5, 2023
    • Yesterday

    Exploring Dover Commando Fortress in South East England, where traces of a top-secret Commando raid are still visible.

  • S11E05 The True Cross

    • June 12, 2023
    • Yesterday

    Exploring Old Byron Hot Springs in the Californian desert - a once glittering Hollywood hotspot, converted into a top-secret interrogation centre.

  • S11E06 Wonderland

    • June 19, 2023
    • Yesterday

    A symbol of national pride that became a symbol of excess in the Turkish capital of Ankara.

  • S11E07 K-Pop Dreamland

    • June 26, 2023
    • Yesterday

    Exploring Yongma Land - a South Korean dreamland given a second life from the most unlikely of places.

  • S11E08 Blues Prison

    • July 3, 2023
    • Yesterday

    Exploring Old Joliet Prison, a battered facility near Chicago that descended into open war, but then hosted the Blues Brothers!

Season 12

  • S12E01 Murder in Martinique

    • October 23, 2023
    • Yesterday

    Exploring Chateau Aubéry on the island of Martinique, where a criminal kingpin wiped out the opposition.

  • S12E02 Italian Turf War

    • October 30, 2023
    • Yesterday

    Exploring Castel Volturno in Campana in Italy, Colorado and HMP Shepton Mallet in Somerset.

  • S12E03 The Montauk Conspiracy

    • November 6, 2023
    • Yesterday

    Exploring Camp Hero in Long Island, a salt mine in Poland, Croatia and Lewisham.

  • S12E04 Propaganda Palace

    • November 13, 2023
    • Yesterday

    Exploring the Apollo Movie Theatre in Tbilisi, Georgia, an ornate shrine to Soviet propaganda.

  • S12E05 The Rediscovery of Archaeopolis

    • November 20, 2023
    • Yesterday

    Exploring a country estate in Ireland where family divisions reflected a national struggle and was caught in the crossfire.

  • S12E06 Hell Island

    • November 27, 2023
    • Yesterday

    Exploring Anchieta, a tropical island complex in Brazil and the scene of a dramatic uprising.

  • S12E07 Myth & Legend

    • December 4, 2023
    • Yesterday

    Exploring the ruined site of Troy, that helped decode one of the world's most enduring mysteries.

  • S12E08 Korea's Joan of Arc

    • December 11, 2023
    • Yesterday

    Exploring Seodaemun Prison, a facility in Seoul that helped spawn a legend known as South Korea's Joan of Arc.

Additional Specials