Interactive Maps in the Yahoo! Directory

Mappr [read review]
Interactive environment for exploring places, by adding geographical information to the photographs found on Flickr.
www.mappr.com
Placeopedia
Online application allowing you to connect Wikipedia articles with places, and then use the geographic database to browse or syndicate articles by the locations they describe.
www.placeopedia.com
Google Sky
www.google.com/sky
Quikmaps.com
Draw directions, make notes, and place markers on personalized online maps to share and post on your website.
www.quikmaps.com
Ask.com Maps & Directions
Provides maps and driving directions to locations in the United States.
maps.ask.com
SkyVector.com
Provides current, free aviation map data for VFR flight planning anywhere in the U.S. Also includes Terminal Area Charts and METARS weather.
www.skyvector.com
GMDir.COM
Directory of sites powered by the Google Maps API.
www.gmdir.com
Pickatrail
Offers a variety of U.K. and U.S. trail maps. Also includes trail-side directional photos, GPS waypoints, information, and more.
www.pickatrail.com
AskCity
View maps and local business listings by name, key word, or location, or save your favorite searches. From Ask.com.
city.ask.com
BeatTheTraffic.com
Offers interactive, real-time, zoomable traffic maps and personalized reports for major metropolitan areas of the U.S.
www.beatthetraffic.com
Animated Atlas
Portrays large chapters of history quickly by animating maps and geographic features.
www.animatedatlas.com
Google Earth: Ocean
Dive beneath the surface and visit the deepest part of the ocean with Google Earth. Explore the Mariana Trench with top marine experts, learn about ocean observations, climate change, and endangered species.
earth.google.com/ocean
GeoServ
Provides access to Canadian geoscience data in the form of interactive maps and associated databases.
gsc.nrcan.gc.ca
Flashmaps
Offers interactive Flash maps, especially suitable for real estate web sites.
www.flashmaps.com
Streetviewr
Collecting links to some interesting, weird, and special locations via Google Map's Street View.
www.streetviewr.com
Rand McNally: Get Driving Directions
Get driving directions between locations for the U.S. and Canada.
www.randmcnally.com/rmc/directions/dirGetDirectionsInput.jsp
UpNext
Features an interactive 3D map where you can click on buildings to find out which businesses in them. Also includes 3D local search and community.
upnext.com
National Geographic: Wild World
Charting Earth's diverse ecoregions characterized by distinct climates and plant and animal communities. With profiles, photos, and multimedia features.
www.nationalgeographic.com/wildworld
Triscape Map Explorer
Offers a browser plugin and tools to create animated site maps that users can navigate by flying over real web pages above a detailed geographic road map.
www.triscape.com
Online Map Creation
Define map boundaries expressed as latitudes and longitudes, and projection. Postscript version of the map may be downloaded.
www.aquarius.geomar.de/omc