The Highlands is a vast landscape dominated by hills, forests and glens; it's a place that's been heavily altered by people and climate, but it's still home to some of Scotland's most iconic species.

Hundreds of islands are scattered along Scotland's vast coastline; people have long found a way to live alongside animals here and increase marine protection.

The Lowlands are home to more than 80% of Scotland's population; wildlife has often been pushed to the fringes here, but some species are staging a remarkable comeback in and around its cities.

Gary, Arlie and Damon rescue two gators - one near a restaurant and the other at an industrial equipment supplier - while the team gets Gator Country ready for the busiest day of the year.

Arlie constructs an ingenious new invention to help catch gators - but the results are mixed - Shannon charms a shy gator, and trouble is afoot for Arlie and Jessica away from the park.

Cold hearts beat with a raging hot fury in a frozen world of snow, icy waters and extreme wind chill; from snow leopards to polar bears, these fighters battle it out with each other.

Continuing his year of Amazon exploration, Jeremy investigates three mysterious deaths in three separate countries on his most remote mission to date.

The Arctic's steady seasons have allowed life to thrive for millennia, but global warming is upsetting this balance and scientists are discovering that what happens here affects us all.

Germany's Harz mountains stand for wild nature, with snowstorms in the winter and rain-soaked forests in the summer; filmmaker Uwe Anders travels to the Harz to capture both landscape and wildlife.

We visit four spectacular regions across Scandinavia: Swedish Lapland, Lake Saimaa in Finland, Gotska Sandön in the southern island kingdom of the Baltic Sea, and Norway's Hallingskarvet plateau.

The Arctic's steady seasons have allowed life to thrive for millennia, but global warming is upsetting this balance and scientists are discovering that what happens here affects us all.

Heatwave Lucifer burns though Europe, triggering some of the worst wildfires in Portugal's history, while a Mojave mudslide traps motorists in a raging torrent of sludge.

Continuing his year of Amazon exploration, Jeremy investigates three mysterious deaths in three separate countries on his most remote mission to date.

The Arctic's steady seasons have allowed life to thrive for millennia, but global warming is upsetting this balance and scientists are discovering that what happens here affects us all.

The source of the Vltava River lies in the Bohemian Forest; fed by cold and warm Vltava tributaries, Czechia's longest river flows through Sumava moorland and turns dark yellow like liquid gold.

Cold hearts beat with a raging hot fury in a frozen world of snow, icy waters and extreme wind chill; from snow leopards to polar bears, these fighters battle it out with each other.

Continuing his year of Amazon exploration, Jeremy investigates three mysterious deaths in three separate countries on his most remote mission to date.

Mother Nature governs the unwritten codes of survival that dictate the way of life in rural Alaska. At each camp, the residents face challenges securing basic necessities of life.

It's the end of the Kimberley's hot season. As Wilakarra, the rainy season, returns and revives the Martuwarra/Fitzroy River, Nyikina man and actor Mark Coles Smith goes to explore its remote reaches.

The San Andreas Fault is the junction point of two tectonic plates stretching across San Francisco and Los Angeles; it is 1,300km long and currently the most surveyed phenomenon in the world.

Mother Nature governs the unwritten codes of survival that dictate the way of life in rural Alaska. At each camp, the residents face challenges securing basic necessities of life.

Heatwave Lucifer burns though Europe, triggering some of the worst wildfires in Portugal's history, while a Mojave mudslide traps motorists in a raging torrent of sludge.

Continuing his year of Amazon exploration, Jeremy investigates three mysterious deaths in three separate countries on his most remote mission to date.