Satellite images can be display in 3D by draping it into elevation data. This tutorial shows how to drape landsat image into SRTM data for displaying it into 3D in ArcScene (ArcGIS 10).
1. Open ArcScene 10

2. Add Landsat and SRTM image

Note: DEM (srtm) data is not necessarily added .
3. Open layer properties of landsat layer by double-click on Landsat.tif layer
4. Click on Base Height tab
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