In Seoul a traffic-choked bridge was transformed into an urban oasis, Boston's infamous prison was reborn as a hotel, and in the Netherlands, a huge crane became beautiful office spaces.
A look at the Port Building, a stunning, gravity-defying office complex building that appears to hover over a 19th-century fire station, and uses a borehole energy system that makes it one of the most energy efficient buildings in Europe.
The transformation of the huge St Louis Rail Station into a state-of-the-art aquarium, how African grain silos became an art museum, and the redevelopment of London's Television Centre.
Rob explores The High Line, a 1.5-mile-long park in the NYC sky; a power station in Singapore converted to Dyson's HQ; and The Great Concert Hall in Hamburg, formerly a cocoa warehouse.
How a fire station became a gravity defying Port Building, an opium gang's HQ was reborn as a buotique hotel, and a disused gold mine was transformed into a world-famous science laboratory.
A look at how the Brutalist iconic Pirelli Tyre Building was transformed into a hotel, and how two Singapore buildings in the classical colonial style were re-purposed as a gallery.