Ancient Art Home Page -- Photos of pieces from Greece, Rome, Egypt & Mesopotamia.
The Seven Wonders of the Ancient World
Ancient City of Athens -- Has Great Photos of monuments, including the Acropolis and the Library of Hadrian.
The Romans (BBC)
Maya Ruins photos and maps of ruins in Mexico, Belize and Guatemala

What Did You Do in the War, Grandma? -- Interviews with women who were alive during WWII. (Primary Source)
History Time Line
American Memory from the Library of Congress "America's story in words, sounds and pictures" (Primary Sources)
The First Ladies from Martha Washington to Laura Bush!
The Presidents of the United States -- Inaugural address, quotations and short biographies 
Experience Colonial Life from Colonial Williamsburg
The Declaration of Independence -- The people and process involved in writing the Declaration of Independence 
All About the Oregon Trail
Journals of Lewis and Clark

California Missions
California Missions listed in order of founding  
Inezeno Chumash Language -- Words with pictures and sounds