Africa - Desert, Rainforest, Savanna

http://www.enchantedlearning.com/school/Africa/Africamap.shtml
Countries and General Information
http://en.wikipedia.org/wiki/List_of_regions_of_Africa
Regions of Africa
http://www.sheppardsoftware.com/African_Geography.htm
Countries (Beware of lots of advertisements!)

Rainforest
http://www.pbs.org/wnet/africa/explore/rainforest/rainforest_overview.html
http://www.enchantedlearning.com/subjects/rainforest/
https://www.cia.gov/library/publications/the-world-factbook/geos/cm.html
Cameroon
https://www.cia.gov/library/publications/the-world-factbook/geos/ni.html
Nigeria
https://www.cia.gov/library/publications/the-world-factbook/geos/ni.html
Congo
Desert
http://www.pbs.org/wnet/africa/explore/sahara/sahara_overview.html
http://library.thinkquest.org/16645/the_land/sahara_desert.shtml
https://www.cia.gov/library/publications/the-world-factbook/geos/eg.html
Egypt
https://www.cia.gov/library/publications/the-world-factbook/geos/mo.html
Morocco
Savanna (Savannah)
http://www.pbs.org/wnet/africa/explore/savanna/savanna_overview_lo.html
https://www.cia.gov/library/publications/the-world-factbook/geos/ke.html
Kenya
https://www.cia.gov/library/publications/the-world-factbook/geos/zi.html
Zimbabwe

Colorado (comparisons to African regions)

http://www.colorado.gov/dpa/doit/archives/geography.htm
Geography of Colorado
http://wildlife.state.co.us/WildlifeSpecies/Profiles/Pages/WildlifeProfiles.aspx
Wildlife (animals of Colorado)
http://www.coloradoplants.org/
http://www.frontrangeliving.com/garden/wildnativegarden.htm
Plants of Colorado
http://quickfacts.census.gov/qfd/states/08000.html (population, homes, trends)
http://www.destination360.com/north-america/us/colorado/things-to-do-in-colorado (things to do in Colorado)
People of Colorado