We're back on Long Island, exploring the North Shore with an outing to a wildlife refuge on one of the necks, or small peninsulas that jut into the Long Island Sound, the body of water separating Long Island from Connecticut.

Let's look at how Long Island was formed around 20,000 years ago. It has to do with a glacier that brought plenty of material along with it and left some behind when it receded.

For the final days of Sigrid's visit to the New York area, she leaves the rocky North Shore and goes south to a place she knows very well from her childhood—the beach! It's a nice place to visit even in the cooler weather.

Finally home! Sigrid talks about her trip home and how it feels to be back after a month away.

Annette sharpens her skydiving skills in a vertical wind tunnel in Slovakia. The wind reaches a speed of 180 kilometers per hour (112 mph).

Annette shares with us her passion for paragliding, and shows us the basics on a hill behind her house.

Annette gives us some tips on using yoga moves to give our muscles a break when on a road trip.

Annette takes us on a tour of her conversion van named Hermes, a van that has been, in her case, converted into a living space. In addition to the basics, she has equipped the van with many of the comforts of home.

Annette shows us Salt Lake City's very modern and light-filled public library and takes us up to the roof for a surprise.

Annette talks about the Wild West, and takes us to a famous gold mining town in South Dakota that was an important part of United States history.

Annette visits the Erickson Aircraft Collection in Madras, Oregon. A highlight of the collection is a plane that appeared in a very famous movie.

Annette visits a large museum devoted to motorbikes in Iowa. The collection includes not only motorcycles, but also fascinating memorabilia.

Annette welcomes us aboard her narrowboat home for a taste of a uniquely peaceful lifestyle that consists of navigating canals in the heart of the beautiful English countryside.

Annette is in a park in beautiful Oxford, England today, and she wants to introduce us to the sport, or hobby, of slacklining. There’s a lot of skill involved, but Annette has mastered it, and she shows us how it’s done!

Maggie has just landed in Mexico, and heads straight for Tulum, a once crucial trading post for the Mayan civilization, with spectacular clifftop ruins.