Looking at the engineering genius that's taken repurposing underground, from a rotting shipyard transformed into a subterranean museum to a rusting bank vault that now serves cocktails.

Looking at the engineering genius that's taken repurposing underground, from a rotting shipyard transformed into a subterranean museum to a rusting bank vault that now serves cocktails.

From a Boeing 747 transformed into a residential roof to a revolutionary sci-fi theatre made from a relic of the Industrial Revolution, looking at two showstopping structures that have pushed repurposing innovation to its absolute limits.

From a Boeing 747 transformed into a residential roof to a revolutionary sci-fi theatre made from a relic of the Industrial Revolution, looking at two showstopping structures that have pushed repurposing innovation to its absolute limits.

Be it an 866 million Euro concert hall fifty metres in the sky, or a revolutionary underground farm thirty metres underground, repurposing pioneers are showing that the possibilities for abandoned structures are endless.

Be it an 866 million Euro concert hall fifty metres in the sky, or a revolutionary underground farm thirty metres underground, repurposing pioneers are showing that the possibilities for abandoned structures are endless.

Stroll through a public park that was once a New York rail line and a church that was transformed into a thriving community hub. Look around these two upcycled projects to see how they morphed from their original forms into modern, usable spaces.

Stroll through a public park that was once a New York rail line and a church that was transformed into a thriving community hub. Look around these two upcycled projects to see how they morphed from their original forms into modern, usable spaces.

Feel the burn at a state-of-the-art gym that used to be a psychiatric hospital and in a climbing complex that once was a sugar refinery. See how cutting-edge engineers have transformed two unfit buildings into superstructures for active living.

Feel the burn at a state-of-the-art gym that used to be a psychiatric hospital and in a climbing complex that once was a sugar refinery. See how cutting-edge engineers have transformed two unfit buildings into superstructures for active living.

Inspect an abandoned silo complex repurposed into a show-stopping art gallery, then visit a family home carved out of an ancient fortress. Witness the ways in which these abandoned structures have been reinvented as part of epic upcycling projects.

Inspect an abandoned silo complex repurposed into a show-stopping art gallery, then visit a family home carved out of an ancient fortress. Witness the ways in which these abandoned structures have been reinvented as part of epic upcycling projects.

Tour a building that once fuelled the Victorian era but is now a busy retail complex, then eye a Viennese gasometer that has become a shining example of communal living. Examine modern adaptations that have injected life into antiquated construction.

Tour a building that once fuelled the Victorian era but is now a busy retail complex, then eye a Viennese gasometer that has become a shining example of communal living. Examine modern adaptations that have injected life into antiquated construction.

Marvel at a recording studio that turned an outdated vessel into a boat that really rocks, then travel to a high-end hotel with a catch: It used to be a prison. Experience how relics can become modern hot spots through engineering vision.

Marvel at a recording studio that turned an outdated vessel into a boat that really rocks, then travel to a high-end hotel with a catch: It used to be a prison. Experience how relics can become modern hot spots through engineering vision.