USAPhotoMaps downloads USGS aerial photo and topo map data from Microsoft''s free TerraServer Web site, saves it on your hard drive, and creates maps with GPS accuracy. You can:
Scroll and zoom
See latitude/longitude
See USGS Landmarks
See TIGER/Line streets
See elevation and contour lines
Add waypoints, routes, and text
Go to any address, populated place, USGS landmark, or lat/lon in the U.S.A.
Transfer waypoints, tracks, and routes to and from most GPS receivers