Mighty Machines On Europe's high-speed rail network, between Barcelona and Madrid, crews work to expand the infrastructure for a new train. 2026-04-04 Jump aboard the colourful trains of the State Railway of Thailand where we'll travel over historic bridges, snake alongside the ocean and continue past swamps, canyons and mountains. 2026-04-04 Climb aboard for an exclusive look at some of the coolest working vessels in the world. 2026-04-04