American Planning Association (http://www.planning.org/)
The City Fix (http://thecityfix.com/?gclid=CKr0mNXX_KoCFSR6gwodYwXP2Q)
Cyburbia: the Planning Community (http://www.cyburbia.org/)
Geography Websites (http://www.spartacus.schoolnet.co.uk/REVgeography.htm)
Planetizen (http://www.planetizen.com/)
Planning and Community Development Links (http://www.mrsc.org/byndmrsc/planning.aspx)
Social Sciences: Open Directory Project: Urban and Regional Planning (http://www.dmoz.org/Science/Social_Sciences/Urban_and_Regional_Planning/)
United States Census Bureau. (http://www.census.gov/)
United States Census Bureau. Geography (http://www.census.gov/geo/www/index.html)
United States Central Intelligence Agency. World Factbook (https://www.cia.gov/library/publications/the-world-factbook/index.html)
United States Geological Survey. (http://www.usgs.gov/)
United States Geological Survey. Water Resources of the United States (http://water.usgs.gov/)
Urban, Economic and Transportation Geography (http://geography.about.com/od/urbaneconomicgeography/Urban_Economic_and_Transportation_Geography.htm)
Urban Geography Glossary (http://geographyfieldwork.com/urban_geography_glossary.htm)
Urban Planning Now (http://www.urbanplanningnow.com/)