Looks at the brief history of rain forest research.

Follows dolphins as they fight for mates, hunt food, and clash with other dolphin species.

A look at one tigress's struggle to raise cubs and survive in the wild.

Talks about understanding and surviving the lethal phenomenon known as the avalanche.

Depicts the impact a hurricane had on California's marine mammals and kelp forests.

Off the coast of Israel, the oldest shipwrecks ever found in the Mediterranean offer clues to an ancient biblical civilization.