In Japan, plans are on the table to build Sky City, the tallest structure on earth. The towering, vertical city will house more than 100,000 people. Sky City would be home to the world's very first homesteaders in the sky.
In Sweden, the construction of the world's largest residential structure is underway.
New cargo vessels are changing the industry. Shipbuilders are making them so huge, they require the re-dredging and retrofitting of the world's cargo ports and canals.
The New Bay Bridge is the biggest construction project in California history. This two-mile, earthquake-proof road will replace the most heavily trafficked bridge in the country; the span linking San Francisco to Oakland and the East Bay.
The Eastern Highland, a vast plateau 100 miles south of the Artic Circle, is the site of a bold challenge of extreme engineering. World-class tunnel diggers are carving more than 45 miles of tunnels through solid rock hundreds of feet underground.
At the world's largest open pit iron mine, a $10 million new, custom-built super shovel is commissioned to meet a sudden worldwide surge in the demand for iron. Will miners find success with the fastest, most technologically advanced excavator ever made?
Bridge-and-tunnel show will wow construction fans.
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