In Mexico, Nick travels from Los Mochis in Sinaloa to Creel in Chihuahua, witnessing astonishing feats of railway engineering and breathtaking landscapes.

Travelling north from Trondheim, Nick stays for a night on the River Namsen, takes a helicopter ride, meets a reindeer herder and goes swimming in near freezing sea.

From the misty mountains of Sa Pa to the jamppacked city of Hanoi with its five million scooters, Nick discovers a Vietnam of newfound prosperity that is developing fast and thriving.

Over the course of three train journeys, Nick visits Malaysia, a country of contrasts. It is a land of advanced technology, rural simplicity, megacities, virgin rainforest and many different cultures.

Nick's journey begins at dawn in snowy Anchorage and takes in the Matanuska Glacier.

Nick travels by rail through the extraordinary Andes Mountains to Machu Picchu, Peru.