A loggerhead turtle is crossing the Mediterranean from France to Greece to lay eggs on its birth beach; A bluefin tuna is swimming from the Atlantic to the Mediterranean to spawn where it was born.

Find out how animals protect one another when humans are too close for comfort.

Get to know the heroes who are helping nature bounce back from the brink.

Consider the pros and cons of aging that animals experience in the wild.

This behind-the-scenes documentary showcases the incredible filmmakers who used the latest technology to capture unique, breathtaking natural images.