Many challenges are known for creating new landscapes which attract people to live. So as to find solutions by many people, "extension" approach is tried below.
(1) Internationale Bauausstellung Emscher Park
http://de.wikipedia.org/wiki/Internationale_Bauausstellung_Emscher_Park
http://www.fotoliedtke.de/fsy-emscher-landschaftsp.html
(2) Eden Project
http://www.edenproject.com
(3) L'Orto Botanico di Padova
http://www.ortobotanico.unipd.it/en/index.html
(4) Iron Bridge
http://www.ironbridge.org.uk
(5) Kew Garden
http://www.kew.org
(6) Kebun Raya Bogor
http://www.bogorbotanicgardens.org/index.php?lang=en
(7) Inviting producers like Cristoforo da Messisbugo
http://it.wikipedia.org/wiki/Cristoforo_di_Messisbugo
Please add your proposals below as you like!