MegaBuilders

The city of Madrid has hired a team of top-notch German engineers to design the only tunneling machine in the world big enough to bury its busy ring road deep underground.

A team of the toughest construction workers in the world has taken on the building of the biggest concrete arch bridge in North America -- right next to the famous Hoover Dam.

An international team of the best construction engineers on the planet are building the world's tallest skyscraper in the United Arab Emirate city of Dubai.

A 'rescue tunnel' must be cut to free one of The World's Largest Machines stuck head first in the Gotthard Base Tunnel under the Swiss Alps.

Off the coast of Vancouver Island the airframe of a Boeing 737 will soon begin a new life underwater, as a gigantic artificial reef.

In Thailand, a crack team of engineers and builders have come together from around the world to raise Asia's largest double-span bridge.

At Six Flags Magic Mountain just north of LA the worlds longest, fastest and tallest Flying Roller Coaster is under construction.