Extreme Science
Extreme Science: Challenger Deep
A short description of the world's deepest ocean trench. Includes diagram and map.
English Verse
English Verse: Alfred Tennyson, Lord Tennyson (1809 1892)
Useful mostly for its full text of several poems, this site includes a short biographical sketch, and book recommendation as well.
Woods Hole Oceanographic Institution
Woods Hole Oceanographic Institute: What Are the Deepest Parts of the Ocean?
A brief description of the ocean's deepest parts.