peta2: At only 16 years old, Tia Blanco is already one of the top women surfers in the world. Learn how her vegan diet has helped Tia surf her way to the top!

After the rains, there is enough water and food for all to share in the desert and Saguaro National Park can bask in all its glory.

By following honeyguides, a species of bird, people in Africa are able to locate bees’ nests to harvest honey. Research now reveals that humans use special calls to solicit the help of honeyguides and that honeyguides actively recruit appropriate human partners. This relationship is a rare example of cooperation between humans and free-living animals.

In this segment, we learn about the role weather plays in the creation of rock formations in the national parks of the United States.

Greentraveller's Richard Hammond shows you some of the loveliest and greenest spots in London, and gives some tips for navigating through the city.

Marshall has several old Ford cars, so he’s got options if one decides not to start up for him on any given day. He’s happy to be living an old fashioned lifestyle, one that suits this isolated island. Next, we join Genevieve Kurilec McDonald at work aboard her own lobster fishing boat. She explains which lobsters she can keep, and which must be thrown back.

Tomás’s responsibilities go far beyond the basic flying of the plane. He must weigh the risks to himself and his passengers before setting out on every route. On Isle au Haut, a small island where Tomás’s plane cannot land, Professor Marshall Chapman is waiting for some important mail to arrive by boat.

Tomás is sometimes greeted with incredulity by new passengers who can't believe he's so young. But the pilot has already racked up hundreds of flights between the remote island communities of Penobscot Bay, often navigating rough, unpaved forest landing strips.

Over decades, Moody’s Diner has become a social hub for its long-standing customers, and any change to its décor and menu can only happen with their agreement! Maine’s Penobscot Bay, with its many islands, is famous for lobsters and sailing, and it’s here we meet Tomás Sowles, a young commercial pilot loading his plane for an early morning flight.

Machines and the sawmill are not Alan’s only interests. He’s also an enthusiastic musician, with dreams of getting his own song played on the radio. Along the Maine coast, oysters are farmed where the rivers and creeks meet the sea, and we meet Judy, who’s been a waitress at her family’s restaurant for over forty years.

Deep in the Maine woods, sawmill owner Alan Higgins shows us how he gets along just fine by repairing and reusing what he has. When he’s not hard at work at the mill, he can be found tinkering with trucks and old sports cars in his yard.

Mike and his team find time to test out some of the surfboards they've built. Nearby, we visit a pier that once had a ballroom and hosted some of the biggest names in US music history, and a lighthouse commissioned by George Washington himself.

The unstable surface of a paddleboard makes yoga challenging for the body and mind alike. Next, we cross over into the state of Maine, where craftsmen use hand tools and traditional boatbuilding techniques to build bespoke and beautiful wooden surfboards.

The rugged stretch between Boston and the Canadian border is the final leg of our journey up the East Coast of the USA. On the coast of New Hampshire, we meet Shauna Fraser, an instructor giving paddleboard yoga classes.

The cranberry harvest is a time of fervent activity, as the community of growers help each other to bring in the precious crops. Leaving the farm behind, we head to the arrival point of the most famous boat in American history, The Mayflower, and then on to the city of Boston.