Canada's iconic Rocky Mountaineer train loops from Vancouver to the heart of the Rockies via crystal clear lakes, lush coastal rainforest, and the splendour of the Fraser Canyon.

The Northern Spain line begins near Leon in the Picos de Europa mountains, takes in Bilbao's Guggenheim Museum and the beautiful coastline of Galicia, finally ending in the spectacular harbour of Ferrol.

The New Zealand South Island line scales the snow-capped Southern Alps, travels through Maori hunting grounds and finally reaches Christchurch, a city sitting on a volcano.

The Cambrian Line starts in Pwllheli and travels 200km to Shrewsbury, taking in the fairytale village of Portmeirion, the seaside resort of Aberdovey and the ancient capital of Wales, Machynlleth.

The Dovre line runs from Oslo to the remote northern wonderland of Trondheim, passing through the vast Gudbrandsdal valley and across the awe-inspiring Dovrefjell mountain plateau.

From Tirano in Italy, this route spirals 1000 metres up the Alps, past glaciers and through mountains, until ending at the base of the majestic Matterhorn.

We travel on one of the oldest steam railways in Australia, the Zig Zag Railway and on a coast-to-coast journey aboard the iconic Indian Pacific, where cameras focus on the spectacular Blue Mountains.

A magical mid-summer railway journey through central Sweden starts in Mora on the Inlandsbanan. This traditional town is in the county of Dalarna, the heart of Swedish traditional culture and often known as 'Sweden in miniature'.

A ride is taken aboard the Northern Belle in and out of England and Wales.

In Anchorage, Alaska, cameras focus on flagship service the Denali Star, a luxury passenger train and part of the great Alaska Railroad fleet. The vehicle then heads north along the Knik Arm, and crosses this huge sea inlet to enter the vast wilderness of Alaska, America's largest and remotest state.

Exploring the Far North Line, starting from Inverness in the Highlands of Scotland.

Escape with us aboard the magnificent steam train Tornado as it is coupled up with 13 luxury vintage carriages on a 6 hour journey through Yorkshire, to Northumbria and the Borders.

Our Scottish rail journey starts in Kyle of Lochalsh, a tiny fishing village on the far west coast and takes us east across the breathtaking Highlands.

Pulled by a gleaming Siemens Charger locomotive, our double-decked coaches will take us on a 350-mile trip into the Californian dream. On our way we'll stop off in Carlsbad.

A trip through the Peak District at full steam, pulled by the Royal Scot, one of the finest locomotives ever built. On the way from Crewe to York, the train travels over Chat Moss on a line built by Robert Stephenson, which once served the famous Rocket.

The latest train excursion includes a trip to Portugal's Quinta de Vargellas, a vineyard that has been making port for centuries. Cameras also focus on the seaside city of Aveiro, and there's a trip to Lisbon to visit the home of the regional custard tart.

This week, we're celebrating Italy and following the Neapolitan Line. Travelling west from the gelato shops of the seaside town of Pescara, we cross Italy through the remote and wild Apennine Mountains down to the hustling city of Naples on the west coast. Our journey ends on-board the royal carriages preserved in the old locomotive works of Pietrarsa.

Starting from one of the world's most remote cities, Walvis Bay, in Namibia, we roll 1,500 miles through the Kalahari desert to Pretoria, South Africa's Executive Capital.

Starting in Denver, the Rocky Mountaineer makes its way through the state of Utah.

This is a scenic railway journey like few others. Leaving chic 21st century Nice behind the Train des Pigne takes us back into the Provence of the past.

The luxury Al Andalus train takes in some of the most beautiful cities in Spain.

Celebrating the wonders of Queensland, we travel over 1,000 miles (1,600 kms) from Brisbane to Cairns onboard one of the most advanced trains in the world.

Cameras focus on New Zealand's South Island, and the great Dunedin Railway's trains - the Inlander and the Seasider. The journey begins with a trip down the Taeiri Gorge towards Otago Harbour, and the area's capital, Dunedin. Bill Nighy narrates.

A trip through Devon to the tip of Cornwall, going back in time to recapture the golden age of luxury train travel. Travelling in the elegantly restored Statesman, passengers relax in its vintage carriages and enjoy the exquisite service. The first stop is on the stunning Devon coast, which suffered devastating destruction during the heavy winter storms of 2014. From Dawlish, it heads to Cornwall and across the Royal Albert Bridge, a masterpiece of railway engineering.

A 500-mile journey across South Africa in a luxury hotel train, which travels between Pretoria and Durban on the coast over the course of three days.