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From tropical rainforests to coral reefs, mysterious water holds the secrets to life on Earth.

Water, the messenger of life, never ends its journey through all phases of the water cycle.

In the mountains, water produces the purest and wildest lakes that are the source of all the rivers on the planet. This ecosystem is home to creatures that must adapt to the cold, clear waters.

Streams, gullies and brooks form micro-ecosystems teeming with diverse and vibrant life.

Rivers form one of the most varied and diverse ecosystems on the planet.

Exploring the waters of the wetlands, beginning with algae that are the basis for the food chain.

From mountain tops to cave systems, the flow of water carves natural masterpieces into the land.

The ecosystems found in wells and troughs offer refuge, protection, and food for many species.

Life exists on the precarious boundary between the world above water and the world just below.

Snow and ice test the survivability of plants and animals, who adapt in remarkable ways in response.

The lives of multitudes of creatures tie themselves to seasonal lagoons, pools and ponds.

The harsh Sahara and Patagonia Deserts home many extraordinarily tough and adaptable creatures.

The rainforests houses plants and animals as unknown as the ocean depth's mysteries.

Learning the salty secrets of the mangroves and meeting the curious creatures that call it home.

Estuaries' mix of fresh and salt water creates a rich cocktail of food for billions of creatures.

Salt mines, flats and marshes home many creatures who thrive in the extreme salt life.

The beach remains a hostile yet essential locale for creatures as they feed, rest, mate and breed.

Life on coastlines isn't easy; creatures live clinging to the rocks or seeking refuge in crevasses.

Exploring seabeds, and discovering the survival secrets of starfish, sea urchins and catfish.

The sea-shaped cliffs create landscapes whose nooks and crannies serve as refuge for many creatures.

Stunning cinematography captures the extraordinary beauty of coral reefs. Millions of polyps construct these vast submerged cities of coral, where resourceful animals have developed ingenious survival strategies to avoid prowling predators.

A look at whales, sharks, jellyfish, migrating sea turtles and much more.

As rainforests, rivers and more are imperiled, so is the existence of the species that inhabit them.

Scientists examine evidence of climate change and the impact it is having on water and animals.

Despite being an essential element for life, humans are making worse and worse use of water.

Looking at how the creators of "Water Life" followed water's liquid trail across the continents.