Overview: Explores how Britain's National Gallery, The Tate, stepped in to help the Bankside on the southern shore of the River Thames.
Overview: Explores the St Louis Rail Station, and how it went from being the biggest in the United States to falling into disrepair.
Overview: An old and deserted dry dock is transformed into an amazing subterranean museum, after the engineers drain the entire ground and build a new concrete base.
Overview: 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.
Overview: The story behind the Seoullo 7017 overpass, a 1km bridge that once symbolised the polluted heart of Seoul and has been turned into a garden home to 24,000 indigenous species of plants.
Overview: First constructed in the 1930s, the West Side Line, an elevated viaduct section of the New York Central Railroad, was abandoned in the 1980s.
Overview: In Hong Kong, an old WWII detention centre is transformed into a gleaming new university, while respecting the old buildings beneath.
Overview: After the discovery of oil in the 1930s, the seas around Bahrain became damaged through increased shipping and spillages, and sea life was decimated.