NASA and the Japanese Ministry of Economy, Trade, and Industry (METI) have recently released the ASTER Global Digital Elevation Model (GDEM), the most complete topographic map of Earth to date. From the project's site: "The GDEM was created by stereo-correlating the 1.3 million scene ASTER VNIR archive, covering the Earth’s land surface between 83N and 83S latitudes. The GDEM is produced with 30 meter postings, and is formatted in 1 x 1 degree tiles as GeoTIFF files. Each GDEM file is accompanied by a Quality Assessment file, either giving the number of ASTER scenes used to calculate a pixel’s value, or indicating the source of external DEM data used to fill the ASTER voids."

Examples of the imagery are available on the NASA ASTER imagery site.

Users can also use the Warehouse Inventory Search Tool (WIST) to find related remote sensing and other earth science data provided by NASA.