Videos & photos taken by the National Oceanic and Atmospheric Administration, miles under the sea.
Fascinating, imho. Some would make excellent May desktops. Hint Hint.
I'll post a link here, and you can follow the links on the pages to find tons more.
http://oceanexplorer.noaa.gov/okeanos/explorations/ex1605/logs/photolog/welcome.html
This object is at about 3 miles down.
http://oceanexplorer.noaa.gov/okeanos/explorations/ex1605/logs/apr22/welcome.html