Pangaea - An information system aimed at archiving, publishing and distributing data from global change research with special emphasis on geological, marine and environmental sciences.

Bosco's RockPile - A place for sharing geology, paleontology, rocks, and fossil sites, information, pictures and information.

Geoscapes Photography - Geologic and natural history landscape photography of the western United States and Pacific islands.

Geological Society - General geology portal site, including links, products, and a discussion forum for professionals and students.

Allexperts Geology - Geologists answer submitted questions about geology.

Walter Geology Library - Listing of virtual and on-line geologic field trip guidebooks.

Photo Geo Gallery - Image gallery of European geology.