Heigth maps, bump maps, DEM,

Elevation maps are only available in combination with a satellite image or a relief map. To order a height map select first a satellite image bzw. relief map and select the option "incl. Elevation Data"="yes".
The worldwide elevation data has a spatial resolution of 60m/pixels and will be delivered in 16 bit Tiff format, which can be imported by most 3D programs.