Cameras capture the unseen behaviors of bizarre creatures such as the cave angel fish and swiftlets.

Cameras capture unprecedented views of the animal species that live on the dark jungle floor.

Rivers descend from their mountain sources to the sea.

A humpback whale and her calf; pygmy seahorses; seals attack king penguins.

The bizarre-looking Tibetan fox; lions hunt elephants.

Rarely seen living things inhabit deserts.

The dynamics of emperor penguin behavior; aerial images of a polar bear swimming.

A portrait of the planet from north to south.

Cameras scan the ocean's surface and troll its depths, revealing daytime hunters and night feeders.