The Cairngorms National Park in Scotland is a rugged expanse of mountains, forests and atmospheric lochs where a vibrant local community ensures their unique heritage is preserved and celebrated.

Iceland's national parks are filled with natural wonders. In Vatnajokull National Park, the team meet the scientists utilising this other-worldly environment to help plan for future missions to Mars.

Explores the landscape, culture and industrial heritage of the Snowdonia National Park in Wales, which is a geological wonderland of breathtaking mountains, rugged valleys and sandy coastlines.

The Goreme National Park in Turkey, surrounded by a whimsical scene of rocky spires and smooth wind-cut valleys, hides the legacy of the people who carved out a life here.

Explores the glaciers and snow-capped peaks of the Los Glaciares National Park in Argentina, where the southern Patagonian Ice Field meets the Andes Mountains.

Explores the Cévennes National Park in France, a remote expanse filled with emerald-green valleys and crowned by some of the darkest night skies in Europe.