An Explorer's Life - Bob Ballard:

Well-preserved Roman and Byzantine vessels in the anoxic (oxygen-free) waters of the Black Sea. Inspiring the Next Generation

John F. Kennedy's lost World War II patrol boat in the Solomon Islands. Bob Ballard: An Explorer's Life

The massive German battleship, found in water 4,000 feet deeper than the Titanic. Well-preserved Roman and Byzantine vessels in the anoxic