Sites by Subject · Maps & Geography

Aerial and Satellite Maps

Google Maps
Street maps, satellite maps, and terrain maps.
Landsat Science
Free, high quality, downloadable or interactive satellite images acquired by NASA.
MSR Maps
Large collection of high resolution satellite images and topological maps of the United States.

City & Place Locators

ePodunk
"In-depth information about more than 25,000 communities around the country, from Manhattan to Los Angeles, Pottstown to Podunk." Listings include geocoded information about thousands of parks, museums, historic sites, colleges, schools, etc.
Getty Thesaurus of Geographic Names
Information on 90,000 places including vernacular, English, and historical names.
Global Gazetteer
This provides almost three million cities and towns outside of the United States. It has locating maps, altitude, latitude, longtitude, and more.
Street Maps & City Maps
If you've tried lots of map programs and still don't know which one is best for you, plug your address into one of the dozen programs listed here and compare.
Topozone
Good for altitudes, longitude and latitude of small U.S. places. It provides detailed topographic maps of the U.S.
U.S. Gazetteer
Provides location, population and zip codes.

Geography

About.com Geography
Links to hundreds of maps, as well as coverage of topics relating to geography. Browse through an extensive list of subjects, including "Historic Maps" and "U.S. Maps".
CIA World Factbook
Country profiles of over 250 nations; includes maps.
CountryReports.org
Discover information about countries from around the world.
Data.gov
A government resource with a wide variety of data, including geographic
Flags Of The World
Over 29,000 flags, medals, and coats of arms from around the world.
Footnotes to History
A guide to ephemeral states, micronations, and secessionist states.
InfoNation
Review and compare statistical data on United Nations member countries or just check up on their individual profiles.
NOAA Climate Services
The National Oceanic and Atmospheric Administration's climatological mapping tool.
United States Geological Survey
Provides a wealth of information, from reports to interactive maps to downloadable data.
U.S. Department of State Background Notes
Brief reports containing information about the people, geography, history, government, economy, and political conditions for countries from around the world.

Geography for Fun

Geocaching
Enter your zip code or any location and this site will point you to a hidden trove of inexpensive treasures. Find it by longitude and latitude, take something, leave something, and come back to report your adventure.
Letterboxing in America
Letterboxing is similar to geocaching but you don't need GPS devices to find the hidden "treasure."

Map Collections

Administrative Regions of the British Isles
Historic and modern areas in England, Scotland, Wales, Northern Ireland and the Republic of Ireland, also provides country and county codes.
Civil War Maps
Site maintained by the Library of Congress containing full image maps, primarily drawn up in the nineteenth century. Includes not only specific battles but state, county, and local area maps of the Civil War period as well.
Color Landform Atlas of the United States
This site provides relief,county, and satellite maps of each state, plus 1895 map of every state.
General Historical Maps
A selection of historical maps from the U.S. Air Force. Don’t miss the military atlases and maps.
Historical Map and Chart Collection
A large collection of historical nautical charts, city plans, topographic and other maps.
Kentucky Atlas & Gazetteer
Maps and geographic information concerning Kentucky.
The Library of Congress · American Map Collections
One of the largest and most comprehensive cartographic collections in the world. Includes maps detailing every aspect of Americana from 1597 through 1988.
National Geographic Map Machine
Detailed and informative maps of the world with dossiers on individual countries.
Ohio Sanborn Fire Insurance Maps
Large scale street plans—including building outlines, property boundaries, and building use - produced by the Sanborn Fire Insurance Company from 1867 to 1970.
Perry-Castañeda Library Map Collection
Many of the more than 230,000 maps at the University of Texas are online in this collection, including topical maps relating to current news events.
WorldAtlas.com
Helpful resource for students with lots of links and interactive answers to geography questions.

Trip Planning—United States

AutoPilot
Creates personalized driving itineraries. Includes hotels/motels, restaurants, and tourist attractions.
Google Maps
Street maps, satellite maps, and terrain maps.
Maps On Us
Gives routes, distance and maps to desired destinations, both national and local
National Atlas of the United States
The U.S. National Atlas has samples and indexes from aeronautic and nautical charts to bathymetric and geologic maps.
Yahoo! Maps
Provides a mapping option with maps and driving directions.

Trip Planning—Worldwide

European City and Country Rail Maps
Maps show the major railway systems throughout Europe.
How Far Is It?
Provides the latitude and longitude of two cities and calculates the distance between them and gives directions.
Michelin Route Planner
Use this interactive tool to plan your next trip to Europe.