Newspaper and News Sources
Comprehensive list of news databases at Stanford Libraries.
Example:
Proquest News database
Kanopy is a video database. After signing in with your SUNet ID, you can view movies from all over the world, including documentaries, dramas, and science-fiction about cities.
Library of Congress
The U.S. Library of Congress offers public access to a wide range of digital images, including historical and contemporary photos of cities.