Bridging the Bering Strait- For the first time since the ice age, there could be a bridge across...
Building Hong Kong's Airport- In the 1990s, Hong Kong undertook one of the largest civil engineering proje...
Widening the Panama Canal- For nearly a century, one of the world's most important waterways has let shi...
Tunneling Under the Alps- How might Europe be different if the great land barrier of the Alps could easily b...
Boston's Big Dig- How do you put a new, 10-lane highway 120 feet below downtown Boston without succumbing to...
Holland's Barriers to the Sea- Most of Holland is below sea level, the nation a drainage basin for thr...
Transatlantic Tunnel- So, if you could take the train from New York and in less than an hour reach Lon...
City in a Pyramid- Imagine a self-sustaining pyramid-shaped city in the air. And imagine that it is built by rob...
Subways in America- How do you overhaul one of the nation's oldest and most traveled subway systems without sh...
Tokyo's Sky City- It would house 35,000 residents and host 100,000 daily workers, students and visitors. This ...