Mega Engineering

Houston, Texas is in peril. The country's fourth most populous city faces hurricanes, heat, and the growing consequences of global warming. Only a rad...

The Bering Strait tunnel would connect Russia and Alaska, creating a high-speed rail line, freight route, and a crucial oil pipeline. Twice as long as...

New Orleans is under siege. Devastating floods caused by global warming and rising sea levels have brought the city to its knees. The old defenses --...

Shanghai faces a double crisis: overpopulation and urban sprawl. The Chinese are running out of room no matter how fast they build, so the city may im...

Chicago, Illinois is home to some of the country's most iconic skyscrapers, but with downtown real estate at a premium and with commuting times among...

Washington DC is a true traffic nightmare. Commuters waste 150 million hours a year in traffic, costing an estimated USD$2.5 billion in wasted fuel an...