What Was That? {A Thumbnail Guide}

So, you saw some interesting landform while flying in a plane, or maybe zooming over Google Earth with your mouse. Now you want to know what it is and how it got there. This should help. This database provides images of common geologic and geographic features, as seen from ~35,000 feet.

Was the feature related to a:

River or Stream
Lake or Coastline
Mountain, Hill, or Ridge
Valley or Canyon
Pattern of Sand or Debris

photoWhole Landscape
photoHuman-Made Landscape
Doesn't seem to fit into
any of these categories...
What made that color?