NASA Jet Propulsion Laboratory
Free satellite radar images include views of the Pyramids at Giza.
http:www.jpl.nasa.gov/radar/sircxsar/

Russian Satellite Images
Downloadable SPIN images of the pyramids, "for use as samples."
http://www.spin-2.com/download.html

General Purpose Basemaps

GIS for Development in South Africa
A centralized site for the coordination of South African spatial data.
http://196.25.65.2/gis/main.htm