U and The Past

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

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

Documentary series that looks at some of the greatest engineering projects that have now been abandoned.

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

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

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

Documentary series that looks at some of the greatest engineering projects that have now been abandoned.

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

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

Documentary series that looks at some of the greatest engineering projects that have now been abandoned.

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

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

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

Documentary series that looks at some of the greatest engineering projects that have now been abandoned.

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

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

Documentary series that looks at some of the greatest engineering projects that have now been abandoned.

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

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