Qasa Alom continues his journey on the Maya Train, the brand-new line that connects the towns, villages and historic sites of Mexico’s Yucatan peninsula. He heads into the interior to see how the region’s natural heritage has coped with the ambitious project. He stops at the spectacular Bat Volcano of Calakmul and witnesses some of the oldest living organisms on earth.

Catalonia is a region that is fiercely proud of its traditions and has often had a complicated relationship with the government in Madrid. Starting in Barcelona, Emeline Nsingi Nkosi discovers how the local soccer team plays a huge role in defining Catalan identity before heading to the countryside to see how a new generation are keeping centuries old customs alive.

Bradford is the 2025 UK City of Culture. In its heyday it was one of the richest places in Europe, supplying wool to the world. But as fashions and production methods changed, so did the city’s fortunes. Now Bradford is finding a new sense of pride by hosting over a thousand arts and culture events. Comedian Alex Dunlop investigates how music and theatre are transforming the city.

Emeline Nsingi Nkosi delves deep underground to celebrate 125 years of the iconic Paris Metro. She’s allowed privileged access behind the scenes to meet the people who keep the network running. Secrets are revealed and unknown Metro superstars are showcased. And she also hears about a huge, ambitious construction project that will see the Metro network double in size by 2030.

Qasa Alom heads to Mexico's Yucatan Peninsula to check out its brand-new Maya Train, connecting the towns, villages and forests of the area by rail. Starting in the party town of Cancun, he rides the train to the ancient ruins of Chichen Itza before heading to Campeche as it celebrates carnival. But while some are hailing the benefits, others are not wholly on board with this ambitious project.

The German people have a love affair with trains. Emeline Nsingi Nkosi explores the fascinating German rail network in this travel documentary. She heads into Berlin's underground U-Bahn system to visit disused war bunkers, attends the opening of a museum dedicated to Wuppertal's distinctive monorail and rides a makeshift narrow-gauge train that links the remote Hallig Islands to the mainland.