Extreme Engineering

Ski-Dubai offers what seems impossible - snow in the desert. Rising from the sea of sand that surrounds Arabia's most vibrant city, it's the first indoor slope with a black ski run and will provide the complete indoor alpine experience.

The Gotthard Base Tunnel is set to become the world's largest rail tunnel, creating a flat rail link for travel through the Alps. With breakthrough engineering methods, this project is undoubtedly one of the most exciting and dramatic of modern times.

The Woodrow Wilson Bridge that has spanned the Potomac River since the 1960s is proving inadequate for the demands of the 21st Century. A replacement is being constructed, featuring seven more miles of roadway to connect Virginia and Maryland.

On Hong Kong's Lantau Island a team of experts are building one of the most impressive cable cars ever seen. This year-round system, the Ngong Ping 360, as it has recently been renamed, is not only the longest detachable cable car system but the biggest.

The El Cajon Dam on the Rio Grande de Santiago River in Mexico is the largest current construction project in Latin America. A fast construction effort, when completed, this $750 million structure will be able to supply 2% of Mexico's electricity needs.

Snohvit is Europe's first Liquefied Natural Gas plant being built in the port of Cadiz in Spain. It's the first time a natural gas treatment plant has been built so far away from where it's being installed, the icy Arctic Circle which will be its home.