In Search of Nature: Imagining the Precolumbian Landscapes
- Ideas of nature never exist outside of a cultural context, and the meanings we assign to nature cannot help reflecting that context.
- http://www.cc.ku.edu/~hoopes/nature.html

Romeo Hristov's Web Page
- Pre-Columbian transoceanic contacts, Mesoamerican archaeology Romeo H. Hristov, specialist on Mesoamerica. Graduate National School of Anthropology and History of Mexico, and Ph.D. (ABD) in Prehistory/Archaeology from the University of Salamanca, Spain
- http://www.unm.edu/~rhristov/

Remote Sensing Archeology Research at NASA
- NASA uses remote sensing for archeology research in the Peten Guatemala, Arenal region of Costa Rica, and Chaco Canyon in New Mexico.
- http://wwwghcc.msfc.nasa.gov/archeology/