His websites are: http://www.troypaiva.com/ and http://www.lostamerica.com/ and this was also the name of his first book, released by Motorbooks International: LOST AMERICA: THE ABANDONED ROADSIDE WEST
his second book, NIGHT VISION: THE ART OF URBAN EXPLORATION
Released July 2008. Buy it from amazon.com
I found some of his work on http://carrosantigos.wordpress.com/2008/08/16/as-fotos-de-troy-paiva/ and you can also see his Flikr account
Thanks for letting me repost Troy! Hope it helps with book sales!