The Cambrian Line starts in Pwllheli and travels 200km.
A trip beginning in Inverness and soon passing Culloden, the site of the last pitched battle on British soil. It then enters the Cairngorms National Park, home to some of Europe's finest landscapes as well as valleys steeped in Gaelic folklore. The park's station at Aviemore is home to the Strathspey Railway, where Victorian steam locomotives come to life. There is then a climb to the highest point on Britain's railway network before the train winds its way through Fife. Eventually the route crosses the Forth Bridge before arriving in Scottish capital Edinburgh, admired for its architecture and annual arts festival.
Beginning in the mountaintop town of Creel, the Chihuahua Pacifico Express - or El Chepe for short - winds its way through the Tarahumara Mountains, home to the reclusive Raramuri people. Divisadero, Mexico's most panoramic station, offers the first glimpse of Copper Canyon. Created by six separate yet conjoined gorges, it is four times the size of the Grand Canyon. The train continues on to the Urique Canyon, which at 6,200ft deep it is the deepest in North America. The final leg crosses the state of Sinaloa, Mexico's breadbasket, before reaching Los Mochis and the gateway to the Pacific Ocean.
The 200-mile Ligne de Cévennes, which travels northwards through the Massif Central to France's volcanic heart - Clermont Ferrand and the spectacular Puy De Dome. The route takes travellers across three incredible historic viaducts, plunges deep underground to explore the area's hidden wildlife and traverses through several impressive valleys. The route winds through one of the world's most spectacular national parks, before reaching its final destination, a collection of 80 dormant volcanoes.
New Zealand's Northern Explorer, the longest-running passenger service in the country. The train travels 423 miles along the historic North Island Main Trunk Line on a 12-hour voyage and the journey takes travellers through some of the most astonishing landscapes of the southern hemisphere from volcanoes to coast and from lava fields to unspoilt islands. Historians explain the history of the railway and tell the tale of the terrible tragedy at Tangiwai, when over 150 people were killed by a volcanic mudflow that hit the train.
A 600-mile journey through one of the most world's most northern countries - Finland - from Helsinki in the south to Kemijärvi in Finnish Lapland. The line whisks passengers through the thickest of forests, past vast frozen lakes 63 times the size of Lake Windermere and to station stops where time has stood still. As the train enters the Arctic Circle, it calls at Rovaniemi, a place destroyed by German soldiers at the end of the Second World War. Now the town has been re-built, famously in the shape of a reindeer, serving as the official home of Santa Claus.
Bill Nighy narrates a train journey across Sri Lanka along one of the world's best-preserved Victorian railways. The trip begins in the coastal city of Colombo and moves on to the country's cultural and spiritual heart in Kandy. The journey continues through a a very English town that produces some of the world's finest teas, coming to a stop at a hill station surrounded by tropical forests close to one of the world's most spectacular viaducts - the Nine Arch Bridge.
The story of how railways cross the most beautiful mountain landscapes on the planet, from Canada's Rockies to the snowy peaks of Switzerland and the deep gorges of Mexico.
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.
The West Highland Line is one of the world's truly legendary train routes, crossing spectacular Scottish moors and mountains as it heads towards Skye. Starting in Glasgow, it glides towards Loch Lomond, the world's largest inland stretch of water. It then sweeps north to enter the wild and windswept landscape of Rannoch Moor. After ascending to Corrour, Britain's highest station, the journey passes Ben Nevis, the UK's tallest mountain and then across the famous Glenfinnan viaduct. The coastal town of Mallaig is gateway to the Isle of Skye with its world-famous Highland cuisine and many breathtaking views.
A journey through Sicily that takes in seven Unesco World Heritage sites, with the first stop being a visit to a castle whose baron was inspired by Hampton Court. There's a meeting in Modica with Sicily's most famous chocolatier, a trip on the unique railway that travels around Etna, and a visit to Ragusa, a baroque-inspired city famous for its beauty and for its spiral railway that travels within a mountain.
Luxury heritage train The Northern Belle, aka steam locomotive 6201 Princess Elizabeth, travels through England's rural north west. Beginning in Preston, the passengers of its stylish 1930s Pullman carriages are soon whisked up through Cumbria and the spectacular landscapes of the Lake District. The train continues on to historic Carlisle, the site of a world-class medieval cathedral and home to supposedly England's most haunted station. It then joins the Settle to Carlisle line, considered one of the most scenic railway routes in the world.
A journey through the mountains of the Italian Riviera in a restored vintage 1920s train, beginning at Cinque Terre national park, and concluding in the historic port city of Genoa. Along the way, the train stops at the elegant resort of Santa Margherita and the remote 10th-century abbey of San Fruttuoso.
A look at Bavaria's rich history of steam travel, seeing world-beating miniature railways and visiting a whole host of interesting places on a journey to the heart of the Bavarian Alps, where a beer-brewing monk and a town made famous by the Winter Olympics await. Later, a trip to Germany's highest mountain Zugspitze - which offers amazing panoramic views right across Germany and Austria.
Cameras follow a train route from Bergen to Oslo, through the extraordinary mountains of southern Norway in winter. This super-fast train travels daily to the country's capital, and first stop is Dale - a place where Norway's most famous knitters design and craft the country's famous jumpers. The final stop is Sandvika, where Monet painted around 30 scenes.
Cameras focus on Austria's stunning Transalpine railway, which crosses the snowy peaks of the Tirol. Our journey begins in the historic city of Graz and heads west through famous alpine beauty spots, including Zell am Zee, where the sounds of yodelling still echo across pristine mountain valleys. The final stretch passes through the 10.6- kilometre Arlberg Tunnel.
The Train des Pignes explores France. Leaving chic 21st century Nice behind, the Train des Pignes, or the 'Pine Cone Train', takes viewers back to the Provence of the past. Cameras explore the village of Villars-sur-Var, where olive oil is made using the same stone-wheel technique the Templar Knights used 1,000 years ago.
This is a scenic railway journey like no other. Looping around Andalucía, the luxury Al Andalus train takes in some of the most staggeringly beautiful cities in Spain. Traveling south from Seville, we visit Jerez, where the horses of the Royal Andalusian School of Equestrian Art are trained. Then we rise up to the clifftop town of Ronda, before rolling on to the ancient cities of Granada and Córdoba. If the scenery outside doesn't take your breath away, the train itself definitely will. The Al Andalus is a five-star hotel on wheels, taking us back to the opulence of the 1930s.
Feature-length film taking viewers on a journey aboard a Stanier Class 5 4-6-0 locomotive from the foothills of Ben Nevis down the West Highland route to meet the sea at the port of Mallaig. The programme is with train driver Ian Riley and train guard and manager Florence MacClean for the length of the route as the steam train winds its way past lochs, mountains and the world-famous Glenfinnan viaduct, all the while taking in the beautiful ancient vistas of indigenous ferns, heather and bracken.
Trips on five of the world's most luxurious train rides, with window seats for the most beautiful scenery on the planet. From the gastronomic luxury of the El Transcantabrico in Spain to the beautiful wooden sleeper cars of Rovos Rail in South Africa, cameras capture scenic rides fit for kings and queens.
A train ride along the most attractive coastlines in Europe. From Spain's northern seas to the beautiful Welsh coast and the frozen wonders of Norway, this documentary charts how each coast was shaped and linked by rail and meets some of the characters who live and work along these most scenic lines.