The US Navy's brand-new Ford-class aircraft carrier is the world's largest warship, and using the latest naval and aeronautic technology, engineers and military personnel race to build and test this cutting-edge vessel.

The man-made islands of Dubai.

Overhauling London's underground.

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

Engineers race to build an airport.

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.