The Rion Antirion Bridge is an engineering colossus, spanning almost two miles. Discover how engineers conquered deep water and hurricane force winds to build a structure that could stand strong in one of the most active earthquake zones on our planet.

The HMS Queen Elizabeth aircraft carrier has a surface area larger than two soccer fields, and is stocked with cutting edge F35 fighter jets. Discover how this megaship ticks inside and out.

Soaring over 2,000 feet into the sky, the Shanghai Tower is the second tallest building in the world, and a futuristic engineering marvel. Discovery how cutting-edge technology means that the building's occupants will never feel it sway.

The Kansai International Airport in Osaka Bay, Japan, is built on the largest man-made island in the world. Discover how engineers built an artificial island on top of clay seabed to make the most daring engineering project of modern times a success.

The Shanghai Maglev is the fastest passenger train in operation on the planet. Discover how engineers were able to design a train that could levitate, and reach a phenomenal top speed of 268 mph.

We take the world's largest plane apart and show what makes this engineering marvel so incredible. Explore the Airbus A380 inside and out, and discover how its engineers redefined the limits of modern aviation.

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

***This episode is a duplicate of S09E03, which is the correct episode number on IMDB and TVDB*** A look at the incredible machines built to get troops directly to the front line, on land, at sea and in the air.

***This episode is a duplicate of S08E03, which is the correct episode number on IMDB and TVDB*** The Independent, a residential skyscraper in Austin, Texas. At 690ft, it is the tallest building in the city, surpassing the 683ft Austonian, another residential skyscraper.

***This episode is a duplicate of S08E01, which is the correct episode number on IMDB and TVDB*** A look at the world's biggest oil tanker - the mighty Supertanker Europe of the record-breaking TI Class of ship.

***This episode is a duplicate of S07E07, which is the correct episode number on IMDB and TVDB*** A look at the Beijing Daxing, set to become the biggest airport in the world, designed to accommodate a staggering 100 million travellers each year.

***This episode is a duplicate of S07E04, which is the correct episode number on IMDB and TVDB*** The skinniest skyscraper on earth is being built in New York City. Can engineers find a way to build this ultra-tall slender building?

***This episode is a duplicate of S09E04, which is the correct episode number on IMDB and TVDB*** The Falkirk wheel is the first and only rotating boat lift, capable of moving 600 tonnes of boat and water over a 25-metre height difference in just minutes.

***This episode is a duplicate of S09E01, which is the correct episode number on IMDB and TVDB*** Stratolaunch is designed to lift rockets, spacecraft and experimental high-speed hypersonic planes into the stratosphere, then release them for their onward journey into space.

The world's largest crane vessel pushes the limits of modern engineering.

A brand-new Mars rover might discover extraterrestrial life.

The deepest-diving submarine is a monumental feat of engineering.

Experts reveal the engineering behind the largest firefighting aircraft.

Experts reveal the engineering behind the Singapore National Stadium.

The largest US military helicopter has redefined heavy lift aircraft.

The US military's most advanced hovercraft is a new feat of engineering.

Experts reveal the revolutionary engineering behind the V-22 Osprey.