Introduction. Part 1. 1. Historical Background. 2. Intervention Strategies. 3. Adaptive Reuse for Urban. Regeneration. 4. Genius Loci. 5. Concluding reflections. Part 2. 1. Diocletian Palace, Split (vernacular transformation from the 7th century onwards). 2. Santa Maria degli Angeli e dei Martiri, Rome (Michelangelo, 1553-1556). 3. Castelvecchio Museum, Verona (Scarpa, 1959-1973). 4. SESC Pompeia, Sao Paulo (Lina Bo Bardi, 1977-1986). 5. Attocha Station, Madrid (Moneo, 1984 - 1992). 6. Kunsthaus Tacheles, Berlin (squatter community, 1990-2014). 7. Palais de Tokyo, Paris (Lacaton & Vassal, 2000-2002 and 2012-2014). 8. Library Escuelas Pias San Fernando, Madrid (Jose Ignacio Linazasoro, 1996-2004). 9. Kolumba Art Museum, Cologne (Zumthor, 2003-2007). 10. Neues Museum, Berlin (David Chipperfield & Julian Harrap, 1997-2009). 11. C-Mine, Genk (51N4E, 2011). 12. Park Spoor Noord, Antwerp (2006-2011). 13. Park Avenue Armory, New York (Herzog & De Meuron, 2006 - ungoing). 14. Sir John Soan Museum, London (Caruso St John, 2009-2012). 15. Former Prison, Hasselt (NoAarchitecten, 2008-2012). 16. OFF Piotrkowka, Lodz (2011-ungoing). 17. Rijksmuseum, Amsterdam (Cruz y Ortiz Arquitectos, 2000-2013). 18. Fondaco Dei Tedeschi, Venice (OMA, 2009-2016). 19. De Flat Kleiburg, Amsterdam (NL Architect & XVW architectuur, 2012-2016). 20. St Joseph church, Ghent (TV TRACE, feasibility study 2017). Index.