To my previous list of nominations, I would like to also add:

Anclote Key, FL

Its on the "Doomsday List," its the newest addition to the Harbour Lights limited edition family, and it has a preservation group associated with it.

http://users.erols.com/lthouse/aklt.htm
This was the best link I could find about Anclote Key that show some images about the state of the light...but I know there are forum members who could give more information about the light and the preservation work going on to save it.

John