U and The Past

Exploring Fort Amador, the site of an American invasion in Panama, and a grisly Polish facility that once caged members of a revolutionary movement.

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

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

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

Exploring Opa-Locka City Hall, a strange structure that began as the dream of an American Renaissance man, but soon turned into a nightmare.

Exploring Namibia's arid Skeleton Coast, where traces of a brutal but once vital industry lie scattered.

Heading to the Tunisian desert to explore a vast chain of ruins that once stood in the way of Allied Victory - until a band of rogue heroes uncovered their weakness.

Exploring Fort Amador, the site of an American invasion in Panama, and a grisly Polish facility that once caged members of a revolutionary movement.

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

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

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

Exploring Opa-Locka City Hall, a strange structure that began as the dream of an American Renaissance man, but soon turned into a nightmare.

Exploring Namibia's arid Skeleton Coast, where traces of a brutal but once vital industry lie scattered.

Heading to the Tunisian desert to explore a vast chain of ruins that once stood in the way of Allied Victory - until a band of rogue heroes uncovered their weakness.

This edition focuses on places of worship, taking in Preston, County Durham, St Paul's Cathedral and York Minster.

Bringing the best in television.

Exploring Schindler's Ark in the Czech Republic, a secret refuge in Europe's killing fields, and a lost Amazonian paradise deep in the Brazilian rainforest.

Visiting the decaying remains of Old Essex County Jail in New Jersey, a facility that became a powder keg of injustice that was set to explode.

Visiting the Polish city of Walbrzych, where a fairytale castle on a cliff conceals a vast subterranean tunnel network linked to a legend of lost Nazi gold.

Exploring Fort Sherman, a jungle stronghold in Panama built to defend a prized American possession that soon faced the threat of an elaborate Nazi conspiracy.

Exploring Opa-Locka City Hall, a strange structure that began as the dream of an American Renaissance man, but soon turned into a nightmare.

Exploring Namibia's arid Skeleton Coast, where traces of a brutal but once vital industry lie scattered.

Heading to the Tunisian desert to explore a vast chain of ruins that once stood in the way of Allied Victory - until a band of rogue heroes uncovered their weakness.

Exploring Schindler's Ark in the Czech Republic, a secret refuge in Europe's killing fields, and a lost Amazonian paradise deep in the Brazilian rainforest.

Visiting the decaying remains of Old Essex County Jail in New Jersey, a facility that became a powder keg of injustice that was set to explode.

Visiting the Polish city of Walbrzych, where a fairytale castle on a cliff conceals a vast subterranean tunnel network linked to a legend of lost Nazi gold.

Exploring Fort Sherman, a jungle stronghold in Panama built to defend a prized American possession that soon faced the threat of an elaborate Nazi conspiracy.

Exploring Opa-Locka City Hall, a strange structure that began as the dream of an American Renaissance man, but soon turned into a nightmare.

Exploring Namibia's arid Skeleton Coast, where traces of a brutal but once vital industry lie scattered.

Heading to the Tunisian desert to explore a vast chain of ruins that once stood in the way of Allied Victory - until a band of rogue heroes uncovered their weakness.

Exploring Schindler's Ark in the Czech Republic, a secret refuge in Europe's killing fields, and a lost Amazonian paradise deep in the Brazilian rainforest.

Visiting the decaying remains of Old Essex County Jail in New Jersey, a facility that became a powder keg of injustice that was set to explode.

Visiting the Polish city of Walbrzych, where a fairytale castle on a cliff conceals a vast subterranean tunnel network linked to a legend of lost Nazi gold.

Exploring Fort Sherman, a jungle stronghold in Panama built to defend a prized American possession that soon faced the threat of an elaborate Nazi conspiracy.

Exploring Opa-Locka City Hall, a strange structure that began as the dream of an American Renaissance man, but soon turned into a nightmare.

Exploring Namibia's arid Skeleton Coast, where traces of a brutal but once vital industry lie scattered.

Heading to the Tunisian desert to explore a vast chain of ruins that once stood in the way of Allied Victory - until a band of rogue heroes uncovered their weakness.

Exploring Schindler's Ark in the Czech Republic, a secret refuge in Europe's killing fields, and a lost Amazonian paradise deep in the Brazilian rainforest.

Visiting the decaying remains of Old Essex County Jail in New Jersey, a facility that became a powder keg of injustice that was set to explode.

Visiting the Polish city of Walbrzych, where a fairytale castle on a cliff conceals a vast subterranean tunnel network linked to a legend of lost Nazi gold.

Exploring Fort Sherman, a jungle stronghold in Panama built to defend a prized American possession that soon faced the threat of an elaborate Nazi conspiracy.

Exploring Opa-Locka City Hall, a strange structure that began as the dream of an American Renaissance man, but soon turned into a nightmare.

Exploring Namibia's arid Skeleton Coast, where traces of a brutal but once vital industry lie scattered.

Left alone, Fred finds himself pursued by ladies but concentrates on his work.

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What is left behind when urban areas are abandoned? Hear about some extraordinary ghost towns, including Pripyat - frozen in time after Chernobyl - and Hashima Island.

The eerie world of abandoned space age projects, including the HARP gun in Barbados and the mountainside Barcroft Observatory in California.

Magnificent bridges that time forgot: Goat Canyon Trestle in California was destroyed by a hurricane, while Kinzua Viaduct was destroyed by a tornado.

Once-great triumphs of marine engineering now left to rust include a ship graveyard in Maryland colonised by wildlife, and a Cold War sub.

Disused structures that were once at the forefront of power supply, including Kelenfold Power Station in Budapest and Wardenclyffe Tower in New York.

A crumbling hill in the Peak District and dunes in California caused the closure of two roads, and a route used by the French Resistance that shut in 2003.

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

What is left behind when urban areas are abandoned? Hear about some extraordinary ghost towns, including Pripyat - frozen in time after Chernobyl - and Hashima Island.

The eerie world of abandoned space age projects, including the HARP gun in Barbados and the mountainside Barcroft Observatory in California.

Magnificent bridges that time forgot: Goat Canyon Trestle in California was destroyed by a hurricane, while Kinzua Viaduct was destroyed by a tornado.

Once-great triumphs of marine engineering now left to rust include a ship graveyard in Maryland colonised by wildlife, and a Cold War sub.

Disused structures that were once at the forefront of power supply, including Kelenfold Power Station in Budapest and Wardenclyffe Tower in New York.

A crumbling hill in the Peak District and dunes in California caused the closure of two roads, and a route used by the French Resistance that shut in 2003.

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

What is left behind when urban areas are abandoned? Hear about some extraordinary ghost towns, including Pripyat - frozen in time after Chernobyl - and Hashima Island.

The eerie world of abandoned space age projects, including the HARP gun in Barbados and the mountainside Barcroft Observatory in California.

Magnificent bridges that time forgot: Goat Canyon Trestle in California was destroyed by a hurricane, while Kinzua Viaduct was destroyed by a tornado.

Once-great triumphs of marine engineering now left to rust include a ship graveyard in Maryland colonised by wildlife, and a Cold War sub.

Disused structures that were once at the forefront of power supply, including Kelenfold Power Station in Budapest and Wardenclyffe Tower in New York.

A crumbling hill in the Peak District and dunes in California caused the closure of two roads, and a route used by the French Resistance that shut in 2003.

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

What is left behind when urban areas are abandoned? Hear about some extraordinary ghost towns, including Pripyat - frozen in time after Chernobyl - and Hashima Island.

The eerie world of abandoned space age projects, including the HARP gun in Barbados and the mountainside Barcroft Observatory in California.

Magnificent bridges that time forgot: Goat Canyon Trestle in California was destroyed by a hurricane, while Kinzua Viaduct was destroyed by a tornado.

Once-great triumphs of marine engineering now left to rust include a ship graveyard in Maryland colonised by wildlife, and a Cold War sub.

Disused structures that were once at the forefront of power supply, including Kelenfold Power Station in Budapest and Wardenclyffe Tower in New York.

A crumbling hill in the Peak District and dunes in California caused the closure of two roads, and a route used by the French Resistance that shut in 2003.

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.

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

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

A 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.

Forgotten 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.

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.

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.

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.

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

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

A 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.

Forgotten 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.

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.

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.

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.

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

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

A 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.

Forgotten 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.

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.

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.

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.

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

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

A 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.

Forgotten 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.

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.

Bringing the best in television.

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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.

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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.

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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.

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