Julia Bradbury's Iceland Walk

Julia Bradbury heads for Iceland to embark on the toughest walk of her life.

Julia Bradbury walks the 60 kilometres that make Iceland's most famous hiking route.

This fascinating documentary brings to life near-future scenarios of a tragic event.

An in-depth look at the formation of each of our planet's continents.

In our planet’s history there have been numerous impacts with cataclysmic consequences.