Building Giants: Season 2, Episode 3

2 - 3: World's Toughest Bridge

A team of expert engineers must complete the brand-new Samuel-de-Champlain Bridge in just three months, and using cutting-edge tech and the latest construction methods, this innovative megastructure has been build to brave the deadly winter weather of the Great North. It's a twin cable-stayed bridge two miles long over the Saint Lawrence River in Montreal, Quebec, Canada.