One of the largest helicopters in the world is used to pull valuable timber from the forest, but huge repairs threaten to bring the mission to a halt.

Huge trains packed to the brim journey across Lithuania, where massive ships wait to collect their bounty and take it across the ocean.

In this mission to haul hefty cargo across Switzerland to the Netherlands, a train travels through four countries with critical repairs at every turn.

Going behind the scenes with the Panama Canal Railway; big track repairs, massive machines, and unrelenting deadlines.

The team journey into the deep waters of the Caribbean Sea for high stakes repairs on one of the world's largest open ocean fish farm operations, where heading back to land is not an option.

Goes under one of the world's largest lakes for a multimillion-dollar tunnel boring project in one of the fastest growing cities on Earth.