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.

Nick kicks off a new series, taking in three capitals: Prague in the Czech Republic, Bratislava in Slovakia, and Budapest in Hungary, with a climb and a cruise.

Nick names this trip "The Volcano Express". He travels from Mount Vesuvius to Mount Etna on a journey from Naples to Sicily, where a gyrocopter trip goes wrong.

The presenter tours Romania, undertaking a journey he calls 'The Transylvania Express'. He begins in Cluj-Napoca, taking a train to the disused salt mine of Salina Turda, where the vast underground cavern has surprising new uses. Nick also pays a visit to Romania's top tourist attraction, Bran Castle, the inspiration behind Bram Stoker's classic novel, Dracula.

In Morocco, Nick explores the old medina in capital Rabat; the city of Salé, where he finds out about its piratical past; and takes a tranquil dawn balloon flight.