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Once bordering on extinction, California's black sea bass are staging a big comeback.

California's HMCS Yukon turns San Diego's Wreck Alley into a must-see destination.

The Northeast's Shipping Graveyard

The Hunt for the Great Freshwater Whale: Welcome to one of only a few places in the world where divers can encounter paddlefish in clear water.

Mermaids fight to save Weeki Wachee Springs, the Florida roadside attraction that holds the key to eternal girlhood.

Our man hits the backroads of "the real Florida" to explore five popular springs.

In the Florida Keys, our interpid reporter joins 50,000 bug-crazed hunters in the search for the dive world's most expensive free meal.

This popular swimming hole has clear water and gregarious marine life--human and inflatable.