Impossible Engineering

A team of engineers are overhauling London's underground infrastructure to build a world-class sewer system, and using cutting-edge tech and the latest construction methods, they work to transform a centuries-old network into a modern-day masterpiece.

The man-made islands of Dubai are modern-day engineering marvels that turn the Arabian Sea into high-priced real estate, and today, a team of expert engineers use cutting-edge technology to build a brand-new city district where there was once only water.

Deadly avalanches and catastrophic flooding are ever-present threats at one of the world's busiest ski resorts, but new technology and cutting-edge construction methods help engineers conquer the elements to keep this mountain-top getaway safe.

Engineers in Seattle are building the world's first floating railway bridge, and to tackle this complex engineering challenge, they use new, innovative construction technology that enables high-speed trains to go where they've never gone before.

A state-of-the-art NATO airplane is one of the most complex surveillance tools in the world, and special access inside this behemoth reveals how cutting-edge engineering and a hi-tech midair refueling system helps its crew defend against security threats.

The world's largest heavy-lift ship can carry entire cruise ships halfway across the globe without stopping, and to do this, experts use cutting-edge maritime engineering and the latest science for herculean strength and first-class maneuverability.

The F-35 is the most advanced fighter jet on the planet, and special access into the most expensive military program ever reveals how engineers use cutting-edge technology to outfit this 1,200 mile-per-hour aircraft with a state-of-the-art stealth system.

The world's highest bridge impossibly spans an 1,800-foot chasm known as the Crack in the Earth, and to build this engineering marvel, experts use cutting-edge construction technology that can conquer the deadly cliffs of this rugged environment.

To carry infantry troops to the frontlines, military engineers designed three battlefield behemoths that command the land, sea, and air; special access reveals how cutting-edge tech made these innovations for the US Air Force, Army, and Marines possible.

A brand-new skyscraper in Texas is a gravity-defying engineering marvel with a one-of-a-kind shape, and to build it, experts use cutting-edge construction and design that pushes modern-day tower-building to strange and innovative heights.

The world's biggest oil tanker is a record-breaking vessel that can haul more than 15,000 trucks worth of oil, and thanks to cutting-edge maritime engineering, it makes deliveries across rough seas quicker and safer than ever.

Engineers are racing against the clock to build the world's biggest airport, and using cutting-edge construction methods, experts put the finishing touches on a modern-day marvel that will move 100 million people in and out of Beijing every year.

The skinniest skyscraper in the world will soon become New York's third tallest, and using an innovative, gravity-defying design, this colossal megastructure is breaking all the rules of engineering.

Engineers in China are constructing the largest and most ambitious water transfer project in human history, defying nature to move vast quantities of water from the south to the dry north in Beijing, all without the use of pumping stations.

A cutting-edge engineering marvel can lift boats and water to astonishing heights, and its advanced design makes it the first and only construction of its kind; behind-the-scenes access shows how it works.

Test pilots and engineers embark on the first flight of the largest airplane ever built: the Stratolaunch, a one-of-a-kind aircraft designed to transport rockets, spacecraft and experimental hypersonic planes into the stratosphere.