Over the time the Karmakars have produced engineering masterpieces.

The structure, said to be the largest of its kind in the world and an engineering masterpiece, continued to deteriorate as its fate was debated.

It has always been, and remains, an engineering masterpiece but the running of the railway has not always been without incident.

The age of this engineering masterpiece is unknown; however, some historians believe that it dates back to the pre-Islamic era.

This bridge is widely considered to be an engineering masterpiece, owing to several solutions applied to span the difficult site.

The building is considered an engineering masterpiece because of its five story building, reinforced concrete walls, and 50 degree sloped terrain.

The pools were heated with hot water from the nearby tramways power plant, the system being considered an engineering masterpiece of its time.

Just a short time earlier the extremely complex NR750 had been released for road use, a bike which to this day is still considered an engineering masterpiece.

As the landmark prepares to reopen, an exhibition sheds new light on an engineering masterpiece.

Earth's catapult, the prototype, was an engineering masterpiece and the largest structure ever created by humans in space.