Google Maps.
Search for businesses in specific areas of the U.S., Canada, and the U.K.

Historical Map and Chart Project.
From NOAA (National Oceanic and Atmospheric Administration), this collection contains over 21,000 Maps and Charts ranging from the year 1655 to 2001.

Historical Maps Online.
Images of maps charting the last 400 years of historical development in Illinois and the Northwest Territory.

Live Local.
Search by address, business, landmark or category. This site is still in Beta so many locations are not available down to the "bird's eye view." Most U.S. sites have a road view, aerial view, and bird's eye view. Many give real-time events and traffic information.

Map Collections: 1500-2003.
From the American Memory project of the Library of Congress, this site has maps of military campaigns, cultural landscapes, transportation and communication, conservation, cities and towns. Includes foreign as well as U.S. maps.

Mapping History: the Darkwing Atlas Project.
Includes American and European historical maps.

Mapquest.
Create interactive maps, get driving directions, and plan travel in the USA.

Maps of Israel.
Includes political maps as well as road maps, distance maps, and a map of Solomon's Kingdom.

Maps of War.
Multimedia, animated maps showing the demographics of wars world wide, from WWI, WWII, Darfur, Israel, Iraq, and more.

National Geographic MapMachine.
View US and world maps by population, climate, and much more. Includes antique maps, country facts, and trail maps.

NationalAtlas.gov.
Create your own online, interactive maps of the United States. Create maps based on crime patterns, population distribution, incidence of disease, and more.

Perry-Castaneda Library Map Collection.
The University of Texas at Austin maintains this site. It indexes more than 230,000 maps, including maps of current interest (Bosnia, Gaza, and the West Bank), as well as U.S. national parks, monuments, and historic sites.

Rare Map Collection at the University of Georgia.
Contains only a subset of the 800 rare maps in the Hargrett Library. Organization is by time period, location, and two miscellaneous categories; city maps from Georgia and transportation maps.

TerraFly.
Searchable aerial views of cities and towns in the United States.

TIGER Map Service.
US Census Bureau map browser allows you to create maps of any part of the United States.

ViaMichelin.
Maps and driving instructions for over 40 countries in Europe. Search information also includes trip time and distance, information on towns you pass through, details on tolls in various currencies, as well as information about hotels and restaurants.

Yahoo! Maps.
Long known as an Internet index, Yahoo has added maps to its directory service. It allows you to enter an address, city, state, and zip code, the intersection of two streets, a street name, or a city name, and get a map of your query. Maps can be zoomed in or out, or moved in any direction. Maps are returned faster, and in more detail, than most other map services.