The best example of this is a site we did not get to see, Fatehpur Sikri <a href="http://asi.nic.in/asi_monu_whs_fatehpursikri.asp">http://asi.nic.in/asi_monu_whs_fatehpursikri.asp</a> an entire city built when the great emperor Akbar decided to leave Delhi, used by him for a decade or so, then left as a ghost town.