Chislehurst Caves: the former air-raid shelter where Jimi Hendrix, The Rolling Stones, Pink Floyd and David Bowie played concerts
Dover Castle: the largest castle in England
Govăjdia Blast Furnace in Transylvania: The first blast furnace in Europe now abandoned
Avon & Gloucestershire Railway – “The Dramway” of south-west England
The mysterious Google Barges were floating showrooms for cutting-edge technology
Archaeology of the future in the abandoned Sicilian town Gibellina: “The Great Crack”
