From extravagant underground bunkers to cabins on remote islands. Homeowners discuss what attracted them to such unusual and secluded properties. A round the world tour of some spectacular homes, using drone photography to explore the natural surroundings of each home and 'fly-through' tours of their interiors and secret passages, to reveal what makes them unique. The owners explain why they wanted to live in such an unusual property, and how they found their secluded plots.

Intrepid adventurer Michael Palin takes a journey through the Himalayas.

Michael Palin travels to 18 countries around the rim of the Pacific Ocean.

Michael Palin attempts to copy the exploits of fictional character Phileas Fogg, by trying to travel...

Michael Palin undertakes an epic journey of 23,000 miles, traveling from the North to the South Pole...

In this four-part BBC documentary, former Monty Python funnyman and renowned globe-trotter Michael P...

Storm chasers, survivors and first responders recount their harrowing experiences with volcanoes, to...

Explore wild, wondrous Vancouver Island, where the ocean nurtures all life, from bald eagles who go ...

A look at the more unusual sides of nature, medicine and human endeavor. It's all about things that ...

David Attenborough celebrates the amazing variety of the natural world in this epic documentary seri...

Bill Pullman introduces and narrates this four-part documentary on the world's first national park, ...

Experience the wonders of our world like never before in this epic series from Jon Favreau and the p...

The seven episodes explore North America: where civilization collides with untamed wilderness. Just ...

The tropical islands that lie between Asia and Australia are among the biologically richest on earth...

A Swedish version of the British genealogy documentary series Who Do You Think You Are?, where famou...

The naturalist visits uncharted territory in pursuit of new discoveries. Steve Backshall takes on ph...

On his toughest journeys yet, Simon Reeve travels through some of the most remote landscapes on Eart...