A double-bladed helicopter faces dangerous conditions to save a town from deadly avalanches, an enormous vessel hauls a giant rig out of the busiest harbor in the world, and the crew of most powerful drill rig blasts through a mine in the Arctic Circle.

The largest aircraft in the world must transport the heaviest load ever carried by air, miners in South Africa use the biggest trucks in existence to save a massive mine, and a giant floating crane overpowers one of the heaviest ships ever built.

Typhoon, a navy hovercraft, must pick up a 60 ton tank from the middle of the Atlantic Ocean, an excavation crew in South Africa battles landslides in order to mine platinum ore, and an underground drill rig races against the clock to save Stockholm.

A transport is dispatched to rescue a platoon of marines deep in enemy territory, a gigantic wheel excavator digs deep into German soil, and a six-legged barge takes on the treacherous North Sea to install an offshore wind farm.

A ferocious mining machine goes deep underground to save Britain from a deep freeze, a nuclear powered icebreaker rescues a stranded ferry, and a water bomber prepares to fight raging fires in southern California.

A helicopter must dodge power lines as it transports an arctic oil tank, a megapede transporter moves a barge into the Gulf of Mexico, and a million dollar sub hunts for warning signs of an impending tsunami on Lake Tahoe.

The world's largest mining machine digs for coal in Canada, mobile ice hammers save a town from flooding, and an enormous air transporter battles extreme conditions to deliver its cargo.

A heavy-lift helicopter saves a Colorado town, an elite team of engineers harness the world's biggest mobile cranes to move an offshore wind turbine, and loggers fight an epic battle to save the gulf coast of Louisiana.