Perhaps food for thought in scenery planning:
http://dilidoo.com/2009/02/20/retro_pictures_of_us_cities_in_colors_68_pics.html
Some more:
List of historical picture collections: http://history.sandiego.edu/GEN/documents/clipsources.html
There are more than just the ones listed in the link above, e.g.
Chicago & Northwestern Historical Society: http://www.cnwhs.org/memberphotos/index.php
Smile,
Stein