Excellent Overview Sites
- University of Texas, Austin, Perry-Castañeda Map Library – a go-to site for more of everything listed below.
Iowa Maps Online
- Flood Inundation Maps
- DNR Mapping & GIS
- ISU Iowa Geographic Map Server (aerial photos and maps)
- Iowa Historical County Atlases
- Johnson County GIS
- Natural Resources Geographic Information System (NRGIS) Library
- Iowa DOT Maps
- Iowa Geospatial Data Clearinghouse
Historical Maps, Iowa and Elsewhere
- Iowa Historical County Atlases
- Iowa DOT Historical Archives Digital Collections
- Iowa DOT Route Maps on “Historical Auto Trails”
- Digital Sanborn Maps (1867-1970)
for U.S. cities and towns
NOTE: The State Library of Iowa makes Iowa Sanborn maps available online for anyone with a State Library of Iowa card, see http://www.statelibraryofiowa.org/services/resources/sanborn-login - Atlas of Historic County Boundaries
- American Memory Project maps from Library of Congress
- David Rumsey Collection
- New York Public Library Digital Collections
- Images of early maps on the web, a part of the “Virtual Library”
- Historical Map & Chart Project
- Old Maps Online
- Perry-Casteñada Map Library – University of Texas, Austin,
More Maps & Atlases Online
- UN Map & Geographic Information Resources
- North American Environmental Atlas
- Digital Sanborn Maps (1867-1970) for U.S. cities and towns
NOTE: The State Library of Iowa makes Iowa Sanborn maps available online for anyone with a State Library of Iowa card, see http://www.statelibraryofiowa.org/services/resources/sanborn-login - Rural Health Information Hub for maps and data– to the county level–on rural topics
- Atlas of Rural and Small-Town America
- DNR-IGWS Iowa Geological & Water Survey STATEMAP Mapping
- LandScan Global Population Database
- Global GIS Data Bundle for world-wide spatial data
- SimplyMap for US data and mapping
- Google Maps and its enhanced sibling, Google Earth. The latter requires a download.
Other Cool Maps Links
- Motor City Mapping July 2014
- Map Projection Transitions Mayl 2013
- Beer Map: Two Giant Brewers, 210 Brands March 2013
- Drought Monitor
- Maps charting the development of cities – Pictures from the Guardian
- Starbucks Coffeehouse statistics October 2012
- American Geographical Society Library August 2012 Newly preserved photographic negatives
- Britain From Above: Aerial Photos, 1919-1953 July 2012
- Cassini Terrestrial Globe and G.I.S. Layers (watch video!) May 2012
- Old Maps Online March 2012
- Locating London’s Past February 2012
- River Maps à la Harry Beck
- Maps of the Warsaw Ghetto
- Magnificent Maps: Power, Propaganda and Art From the guardian.uk.co announcement for the British Library, January 2010
- Mapping the 2010 Census From the New York Times a map showing changes in population from 2000 to 2010 including race
- The New York City Roach Map November 2011
Gazetteers
- GNIS from US Geological Survey for domestic (US) geographic names
- GEOnet Names Server for non-US geographic names
- JewishGen ShtetlSeeker
Last revised: September 4, 2026