Multimedia Sources

Image search

Google, Altavista, Bing, Morgue File, Open Photo, Arkive (animals), Biological Images (nature & environment)

 

Audio search 

FindSounds or PartnersinRhyme

Map search

National Geographic's Map Machine (includes satellite & relief maps); Perry Castaneda Library Map Collection (includes current & historical world and U.S. maps); Library of Congress Map Collections: 1500-2004 (historical maps); Topozone (topo maps searchable by place name, decimal degrees, or UMT coordinates)