Looking for a FREE stock image source of high res photos?

Question:

Looking for a FREE stock image source of high res photos?

both contemporary and historical images are needed. please no sites where it is pay for image.

Best Answer - Chosen by Asker: The purpose of stock images is to make money for the photographers. Why would any stock image source give away high res photos???

That said, there are some sources of high res photos for free. The Creative Commons license is probably the most visible of these efforts.