A freeware Windows 95 terrain visualization program which allows direct creation of altitude scaled maps, 3D scenes, and mpeg flyby animations from a wide range of freely available data including USGS ASCII DEMs, USGS 30 Arc Second Global Topography (GTOPO30) DEMs, NASA Mars Viking Orbiter Digital Terrain Models (DTMs) or any topological data file organized as rows and columns of elevation measurements. Images can be created as color 3D projections, stereo 3D projections for viewing withSimuleyes electronic shutter glasses, or stereo 3Dprojections for viewing with red-blue glasses.