General Overviews
What Does It Mean To Be Human? - Smithsonian National Museum of Natural History
World Heritage Centre - List of world heritage sites, organized by country and type. Red indicates that the site is in danger of some form. Click on the site links to ses descriptions of the sites, maps, video, and threats.
UNESCO - Criteria for selection as a world heritage site
Early Language
Smithsonian - What Does It Mean to Be Human? Language and Symbols page.
Cave Art
Chauvet Pont D'Arc - Official French museum website
Lascaux Cave - Official French tourism site
Early Human Dwellings
NPR - Mrs. Charles Darwin's Advice for Walking Upright
Audio Stories from NPR's The Human Edge (7-11 minute Audio Stories)
Articles with Images
Smithsonian - Sculptor Brings Early Humans to Life (scroll down to the image gallery, as well)
Why did the Neanderthals die out?
Archeological Institute of America - When did the Neanderthals really go extinct?
Smithsonian Science News - Why did Neanderthals go extinct?
Guardian News - Why did the Neanderthals die out?