—Scattered around the world are long-forgotten engineering marvels, decaying cities and empty factories that once stood on the cutting edge of design and construction. Today they are discarded, dangerous, and some of them are even deadly. "Mysteries of the Abandoned" reveals why these engineering triumphs were built and how they were left to crumble. In each hourlong episode, stories tell of who originally designed the structure, its historical significance, and why it was ultimately no longer viable. California's Goat Canyon Trestle railway, Pennsylvania's Kinzua Viaduct steel bridge, the Grand Goulets Road in the French Alps, and Hashima Island, a once thriving and now deserted Japanese island, are among episode subjects.

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Season 128 of 8 Episodes

An elaborate stadium in Lithuania hosts an unlikely Cold War matchup; an industrial relic in England gets caught in a heated labor dispute; a gothic-style tower in Memphis attracts rock and roll royalty.
A town in Oklahoma is transformed by the discovery of oil fields; a former school in Cambodia becomes the site of crimes against humanity; a remote radar facility in Latvia symbolizes the threat of nuclear warfare that characterized the Cold War.
A German house of healing becomes a place of evil, a tin mine out in the jungle becomes the object of colonial interests, and a remote complex in Texas has a long history stemming from America's relationship with Mexico.
A ghost town in Sicily has deep roots in organized crime; an obscure asylum in Pennsylvania shocks America and inspires a revolution; a mansion in Ireland becomes embroiled in a bizarre kidnapping plot.
An old compound in Texas bears the scars of a violent revolution; a secret facility outside Berlin is used by a dictator to escape justice; the estate of an aristocrat becomes a stronghold for the IRA.
A Nazi concentration camp gets used for a grotesque publicity stunt, Oscar Wilde is imprisoned after a well-publicized trial, and a building in Memphis intended to protect becomes a symbol of corruption.
A remote site in Arkansas plays a major role in a high-stakes Cold War drama, an ancient ruin in Cambodia is ravaged by one man's cruel deception and a French fort becomes the symbol of a heroic but doomed resistance.
Palatial ruins in Philadelphia symbolize an industrial golden age; a remote outpost in France is thrust to the front lines of World War II; a palazzo right off the Italian coast becomes a prison for mob bosses.

Tunnels filled with human bones lie beneath the streets of Paris, and this horrifying engineering marvel points to a dark secret; new discoveries reveal why this grisly underground death maze was built and why it was abandoned.
Upcoming
In Alaska, the ruins of a massive compound point to eerie evidence of an apocalyptic mystery; new discoveries reveal why this strange marvel was built in the snowy wilds of the last frontier and why it was abandoned.
Upcoming
A strange complex of tunnels on the grounds of a mansion are under lock and key for a century; since its rediscovery, some believe its mysterious place is a gate to hell; new discoveries reveal its secret purpose and why it was abandoned.
Upcoming
Near the destroyed city of Pompeii, an eerie complex of underground tunnels snakes beneath a volcano, and some believe these passages were intended as a gateway to hell; new discoveries reveal exactly why they were built and why they were abandoned.
Upcoming
A strange complex of buildings on a remote tropical island was once home to a large seaside community, but today, locals avoid the area and claim that it's haunted; new discoveries reveal why this eerie place was built and why it was abandoned.
Upcoming
At an infamous prison in the Amazon, dangerous criminals faced hard labor, a hostile environment and death by guillotine; today, it's deserted and new discoveries reveal why this hellish compound was built and abandoned.
Upcoming

Scattered around the world are long-forgotten engineering marvels, decaying cities and empty factories that once stood on the cutting edge of design and construction. Today they are discarded, dangerous, and some of them are even deadly. "Mysteries of the Abandoned" reveals why these engineering triumphs were built and how they were left to crumble. In each hourlong episode, stories tell of who originally designed the structure, its historical significance, and why it was ultimately no longer viable. California's Goat Canyon Trestle railway, Pennsylvania's Kinzua Viaduct steel bridge, the Grand Goulets Road in the French Alps, and Hashima Island, a once thriving and now deserted Japanese island, are among episode subjects.

Kasper Michaels

Live

The ruins of a once-palatial compound contain the secrets of one of history's most notorious criminals, and new discoveries reveal why this high-security estate was built and why it was abandoned.

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