(peaceful music) welcome to awesome planet, i'm philippe cousteau.

i'm philippe cousteau.r on our planet, meaning that most of it is saltwater. but that doesn't mean that the remaining amount is fresh. and we've come to north carolina to see how fresh and saltwater interacts and to learn about certain species that have developed the remarkable adaptation to live in both. (upbeat rock music) - [voiceover] estuaries are that area

(peaceful music) welcome to awesome planet, i'm philippe cousteau.

i'm philippe cousteau. meaning that most of it is saltwater. but that doesn't mean that the remaining amount is fresh. and we've come to north carolina to see how fresh and saltwater interacts and to learn about certain species that have developed the remarkable adaptation to live in both. (upbeat rock music) - [voiceover] estuaries are that area

. - [philippe] join me, philippe cousteau, as we explore some of the world's most incredible canyonsare glorious example of our planet's power to shape itself over millions of years. today, we're going to visit the most famous canyon in the world, the grand canyon. so rusty, tell me what to expect.

join me, philippe cousteau, as we explore the land of extremes on xploration awesome planet. music) when you think of a desert, what usually comes to mind? sand dunes? searing heat?

. - [philippe] join me, philippe cousteau, as we explore some of the world's most incredible canyonsexample of our planet's power to shape itself over millions of years. today, we're going to visit the most famous canyon in the world, the grand canyon. so rusty, tell me what to expect.