Have you ever wanted to learn more about the Permian Reef Complex of the Guadalupe Mountains? Probably not, but Dr. Peter A. Scholle, the Director and State Geologist of the New Mexico Bureau of Mines & Mineral Resources of New Mexico Tech has provided a complete virtual field trip for those who would. Visitors can read and view pictures of the area, the structural history of the mountains, the...

The World Cave Database was created by Eric Madelaine of the French Research Institute for Computer Science and Automatic Control. Users can browse the database by depth, length, or an alphabetical listing of the caves, and can search the nearly 1000 entries by keyword. All included caves are 300 meters deep and 3 kilometers long and larger, including the longest, which is the Mammoth Cave system...