The Tesla car factory is one of the largest and most innovative factories in the world. This state-of-the-art facility is the home to high-tech robots that work 24/7 to produce thousands of cutting-edge electric cars each week.

The world's largest aircraft combines the latest in technology and engineering to dwarf everything else in the skies. This marvel can stay airborne for five days and land anywhere in world, whether on land or at sea.

Kingda Ka is the tallest roller coaster in the world and fastest in the U.S., redefining the design of thrill rides. This engineering feat is one of the most innovative on the planet and features the fastest drop ride ever built.

The Perdido Oil Platform is one of the most advanced feats in engineering, producing 100,000 barrels of oil each day. This huge structure is as tall as the Eiffel Tower and stays afloat in some of the deepest waters in the world.

The world's toughest trains have conquered deadly jungles, deserts, and mountains, and were made possible by expert engineering and cutting-edge technology.

The world's fastest trains were built with expert engineering and cutting-edge technology, pushing the speed of railroad travel to new limits.

The world's busiest cities are kept running by innovative train systems built with expert engineering and cutting-edge technology.

The world's most incredible trains cross deadly canyons and chasms of terrifying heights, and were made possible by expert engineering and cutting-edge technology.

The world's toughest trains have conquered the deadly heights of our tallest mountains, and were made possible by cutting-edge railroads engineered to make impossible climbs and brave extreme weather.

The world's most incredible trains have conquered dangerous oceans and seas, and were made possible by expert engineering and cutting-edge technology.

The Chernobyl disaster created one of the world's deadliest places, and as the temporary fix around the damaged reactor begins to fail, engineers race to build a cutting-edge structure to contain the contamination that could threaten the world.

A rugged ship built to withstand tsunami size waves travels on a highway unlike any other in North America. A fleet of machines combats a massive flood in the Arctic Circle. And the biggest, most powerful wind turbines in Alaska.

The Yeti, a machine with 588 sharp teeth, helps keep the coldest airport in America running. Mighty tugboats chew through ice chunks in Alaska. And soldiers become Arctic warriors in the coldest army post in the country.

On the remote island of Sitka, Alaskan engineers construct a giant dam to power the town. Ride on a dangerous mission on the world's largest helicopters. Alaska's biggest boat lift hauls a 400-ton fishing ship in high winds.

Alaska's Coast Guard fights the most dangerous waters in the state to maintain buoys standing three stories tall. Explosive machinery yields big rewards 800 feet below Alaska's surface. An army of Alaskans build a steel ferry, several tons at a time.

A unique barge carries an entire train along Alaska's high seas. A mega fish factory on a remote island churns out 3 million pounds of seafood a day. A flying ambulance saves lives 14,000 feet above Alaska's wilderness.