Ex-RAF and ex-USAF base which retains most of its buildings, hangars, etc and even has some aeroplanes and helicopters remaining on site.
Dating back to the 1920s, the industrial site in Corehem, France developed into a huge paper mill complex including several power stations.
Opening in 1908 the Cardiff City Asylum had space for 750 psychiatric patients. The hospital closed in 2016 after being deemed unsuitable for modern services.
HMP Holloway was the largest women’s only prison in Europe until its closure in 2016. Rebuilt in the 1970s, the prison’s design was recognised as a failure.
Brent Delta was one of four oil production platforms servicing the Brent oilfield off the coast of Scotland from 1977 until 2016.
The Grand Hotel Straubinger was the largest hotel in Bad Gastein until its closure in 1999. The hotel has been disused ever since.
Chatterley Whitfield is a disused colliery near Stoke on Trent which was later used a mining museum. The museum closed in 1993.