maps

Full screen maps, including images from NASA, OpenLayers, Microsoft Virtual Earth (with or without labels) and Yahoo! Maps
www.flashearth.com
earth | maps
WikiMapia is both an online map and a satellite imaging resource. It combines Google Maps with a wiki system. That is, users can add information in the form of notes to locations on Earth.
www.wikimapia.org
maps | wikis
Walk Score is a site that calculates the walkability of addresses and displays the score on graded color-coded maps. It calculates the score based on the distance of an address to nearby amenities such as convenience stores, restaurants, cafes, theatres, parks and other localities.
www.walkscore.com
community | maps | mashups | microlocal
A site that aggregates micro-local community data. Began from the mapping mashup Chicagocrime.org. It includes data on many public records such as crime statistics, foreclosures, restaurant inspections, building permits etc. This data is often mapped at the smallest local level.
www.everyblock.com
community | maps | mashups | microlocal
This is a map collection that allows users many experimental and rather innovative browsing formats. The historical map collection has over 22,000 maps and images, and focuses on rare 18th and 19th century North American and South American maps and other cartographic materials.
David Rumsey Map Collection
cartography | historical data | maps
A great Australian company dedicated to photography and virtual aerial tours, most recently of New York City and of Melbourne, Austrialia
Pixelcase: WebVideoPhotography
maps | virtual tours | visualization