Ice Hotel Bigger Colder
February 19, 2012 • 46m

Inside a famous Swedish hotel which is constructed from 10,000 tonnes of ice and 30,000 tonnes of snow, and boasts a frozen bar and cinema screen.

Quake-Proof Bridge
February 12, 2012 • 46m

Six years after piles were pounded into the muddy bottom of San Francisco Bay the new Bay Bridge is about to be topped off.

Tunneling Through History
February 5, 2012 • 46m

Mega Builders return to Istanbul to update the Marmaray rapid-transit project, which continues to have delays.

Race to the Games
March 29, 2012 • 46m

Crews race against the clock to finish an important venue and signature landmark for the 2012 London Olympics.

Extreme Surf Machine
March 22, 2012 • 46m

Returning to Tenerife to check on the world's best water park which now seems destined to remain dry after numerous problems.

Tunnel Vision
March 15, 2012 • 46m

Return to the 57-kilometer long high-speed rail tunnel in Switzerland's Gotthard Mountain range to see what it will take to finish the project by 2017.

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