ARGUS: Activities and Readings on the Geography of the United States
http://www.aag.org/ARGUS/ARGUS.html

ARGWorld: Activities and Resources for the Geography of the World
http://www.aag.org/Education/argworld.htm

CTI Geo-Information Gateway (UK)
http://www.geog.le.ac.uk/cti/info.html

CU Internet Resources for Geographers
http://www.colorado.edu/geography/virtdept/resources/contents.htm

Mission Geography
http://geog.tamu.edu/sarah/mg.htm

NCGIA Core Curriculum in GIScience
http://www.ncgia.ucsb.edu/giscc/

Support Center for Geography, Earth, and Environmental Sciences
http://www.gees.ac.uk/

The Talessi Project
http://www.greenwich.ac.uk/~bj61/talessi/

University of Michigan Digital Media Center
http://dmc.umn.edu/research/disciplines/geography.shtml

Virtual Geography Department Project: Recent Modules
http://www.colorado.edu/geography/virtdept/modules/modules.html