Inspiration, Archived

How can you justify restricting yourself to Wikipedia's 3,000,000 pages, StumbleUpon's selected websites for surfing, or browsing through Flickr photographs when the Library of Congress maintains a collection of 138,000,000 historic items including 1.2 million digital images to peruse online?

Whether viewing the Library's existing collection categories (such as Civil Rights Era photographs, one seen above) or searching through images of my home town from the 1930's, finding a trail through American History is much easier than I'd previously thought. Talk about a good resource for historical inspiration...