National Geographic Specials (1965-2010) - 1986 Episodes and Ratings

Consists of historical photos and footage of the massive steamer, the exploration by Dr. Robert Ballard, and a look inside the ship itself.

Observes the Chesapeake Bay, the largest estuary in the United States. Shows how the region's main industry, crabbing, shapes lives.

Shows the ecosystem of mangrove trees, including fiddler crabs, proboscis monkeys, and mudskippers.

A view of Jerusalem and its people, a product of 3000 years of history and religious faith.

A search for the treasure of the Spanish galleon Atocha.

A swampland on the Georgia-Florida border is ruled by the fearsome alligator.