The inside story of the building of the clever arena, which was the centre of world attention in the 2012 Olympic games.

Building an eight lane freeway under the city of Boston.

In the Persian Gulf, the world's largest artificial islands are being constructed in the shape of the earth's continents. This ambitious engineering feat is part of a plan to transform Dubai into one of the world's premiere tourist destinations

The Finnish construction of cruise liner Freedom of the Seas, which was launched in 2006 and, at 18 storeys in height and a quarter of a mile in length, is the largest in the world. As cameras show the many features such as the surf park and ice rink, experts investigate whether at 160,000 tonnes this is the maximum size ocean-going technology will reach before having too great a mass to float

Documentary looking at the design, structure and features of the North Sea Wall, a massive coastal defence system built along Holland's coastline