Photographs Historical, Videos and Audio

AncientFaces  browse and search old family photos for free or create a family page ($)
DeadFred  genealogy photo archive, free or $ for extra features
Library of Congress Prints & Photographs Online  more than 14 million photos, historical prints, cartoons, documentary drawings, fine prints, architechtural and engineering designs
WhatWasWhere  is historical photo archive where anyone can upload photos
Wikimedia Commons a media file repository making available public domain and freely-licensed educational media content (images, sound and video clips) to everyone, in their own language. The repository is created and maintained  by volunteers.
Youtube Time Machine  collection of audio and video snippets from 1860 to 2010