PBS
Pbs: Scientific American Frontiers: Unearthing Secret America
The fun part of history is finding the clues that unlock the secrets of the past. This is the companion site to the TV show with Alan Alda that features archeological discoveries. Students will find interesting lessons from the past on...
BBC
Bbc: History: An Introduction to Marine Archaeology
A very good introduction to the discipline. Provides details on how it is different from land-based archaeology, how wreck sites are investigated, issues regarding "treasure" wrecks, conservation, and much more.