University of Texas at Austin: Perry-Castañeda Map Collection: District of Columbia Maps
- Several maps of the city, its parks and monuments, and historical maps.
- http://www.lib.utexas.edu/maps/district_of_columbia.html

StationMasters Online
- Features detailed maps and panoramic photos of all neighborhoods served by the Metrorail subway system.
- http://www.stationmasters.com/System_Map/system_map.html

Digital Atlas of Washington, D.C., and Vicinity
- Maps presenting demographic data (such as nationality, race, income, education) based on census statistics.
- http://130.166.124.2/dcpg1.html