Abandoned Engineering
Abandoned Engineering is a TV show on Yesterday. Exploring unfinished structures of steel and iron, revealing what they could have been. The program has been available since 2025. A total of 149 episodes have been broadcast, most recently in August 2026.
Last episode
50:00
50:00Abandoned Engineering
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.
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1:00:00Forgotten relics from the defence of America's homeland, concealed by the banks of the Mississippi, and a concrete behemoth on the French coast that proved invulnerable.
50:00A marooned ironclad structure off the coast of England that hides a dramatic story of war and resilience, and a facility in America that helped tear apart a nation.
1:00:00A secretive underground base that concealed the power to destroy nations, and a sprawling industrial relic clinging to the edge of an unforgiving waterfall.
Series 3
1:00:00
1:00:00An abandoned prison beneath the water, a tunnel in the heart of a mountain, concrete towers hidden in the woods and a rusting coastal relic.
Series 5 50:00
50:00Claustrophobic prison cells that contain a story worthy of international acclaim, and a vast mountainside complex that held the power to change the world.
1:00:00The 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.
Series 14 1:00:00
1:00:00Exploring derelict villas in Sicily that reveal the island's complicated history with the Mafia and an aristocratic mansion in Ireland embroiled in a bizarre terrorist plot.
Series 5 50:00
50:00The desert town that faced a disaster of biblical proportions. Plus, vast coastal ruins that reveal a past once wiped from history.
Series 4 1:00:00
1:00:00Projects include a maze of tunnels filled with haunting remains beneath the streets of Paris and a formation of domed structures hovering over the waters off the Florida coastline.
Series 14 50:00
50:00Exploring a nuclear-armed facility in Arkansas that served as America's last line of defence in the Cold War and an industrial relic in Wales.
1:00:00Exploring a concentration camp in the Czech Republic used for a publicity stunt to fool the world and a stark facility that once housed Oscar Wilde.
Series 3 50:00
50:00The programme looks at a mysterious group of rusting ships stranded in an arid desert, and a monstrous defensive line on the snow-covered peaks of the Italian Alps.
Series 14 50:00
50:00Exploring a palatial ruin in Philadelphia built from the riches of an industrial golden age and a country palace in Poland where a honey-trap was devised for Napoleon.
1:00:00Exploring two ornate buildings in Texas that were once at the heart of the Mexican Revolution and a secret facility outside Berlin used by a ruthless dictator to escape justice.
Series 2 50:00
50:00Hidden in the Brazilian jungle is the Petrobras Viaduct, an extraordinary highway that seemingly leads nowhere. Who built it and why?
Series 14 50:00
50:00Exploring a crumbling hospital complex in Germany that became the site of unspeakable atrocities and a sprawling Texan farmstead with a hellish reputation.
1:00:00Exploring a derelict stadium in Lithuania that hosted an unlikely Cold War matchup and an industrial relic in England.
Series 2 50:00
50:00The 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.
Series 14 50:00
50:00Exploring an Oklahoman town so wealthy it inspired a Hollywood film.