A hard day's light: racing the sun across Hadrian's Wall - Jamie Rutherford

Richard Phillips leads a month-long traverse across tough ground, a journey of exploration and science that leads his students to reinterpret their sense of place.

Leading an expedition to the Marquesas Islands to study a rare parrot, Liv Grant treks uninhabited islands, swims shark-filled waters and joins a festival of feathers.

On an expedition to scout new routes, Peter Rosso is challenged to address long-term mental health issues while high on the cliff walls.

The steppe is changing and rural nomads are moving to the cities. Hattie spent two months finding out why.