Take a thrilling ride aboard one of the world’s biggest, most durable helicopters on a mission to harvest timber from a remote Canadian forest. Follow crews battling dense fog, heavy ocean winds, lightning, and the threat of fire to complete the job.

Journey across Lithuania on giant trains packed to the brim with multi-million-dollar loads of potash. Confront broken Soviet-era locomotives, bad weather, and tough track repairs in the race to reach the port.

Ride the rails on a mission to haul hefty cargo on a challenging route across Switzerland to the Netherlands on time and without incident. Meet the locomotive drivers, maintenance crews, and engineers who make it all possible.

Head to the jungles of Panama to ride the 24/7 railway that crosses from the Pacific to the Atlantic. Get an inside look at the work required to run it safely, from jungle clearing to engine repairs to a cargo loading operation that never rests.

Venture into the vastness of the Atlantic Ocean and Caribbean Sea as a storm approaches to see what it takes to keep the world’s largest open ocean fish farm operating, including cutting-edge technology, tough machines, and tireless crews.

Travel more than 260 feet below the Earth’s surface to witness a multi-million-dollar tunnel boring project under Lake Ontario, one of the biggest freshwater lakes in the world. See it cut through rock to make a passageway for treated water.