No Cars Will Be Allowed on This Stately New Bridge in Portland

It was 1973 the last time a new bridge opened over Portland's Willamette River: a double-decker span with eight lanes of freeway. Times have changed. When the Tilikum Crossing Bridge opens later this year, it will be one of the few in the U.S. that's purpose-built for transit, bikes and pedestrians—no cars allowed. » 3/18/15 7:40pm 3/18/15 7:40pm

How Disasters, Emergencies, and Survivalism Are Shaping Home Design

You peer warily out of the single window in your zombie-proof steel box. The street seems deserted—except for a lone figure who is staring at you from a distance. Is it 2079, in the years after the Great Drought Plague!? No, it's 2015 in Royal Oak, Michigan, and that zombie is a curious local Fox reporter. » 2/18/15 1:15pm 2/18/15 1:15pm

10 Hidden Details in Your City and What They Mean

There was plenty of outrage earlier this month when a London storefront revealed sidewalk spikes meant to keep the homeless from getting too cozy. While these shiny prickles did seem especially Temple of Doom-ish, they weren't all that unusual: There are plenty of little details designed into our cities that tell us… » 6/25/14 9:00am 6/25/14 9:00am

The New High Line for Queens Could Include This Human Roller Coaster

If you could build your own High Line, what would it look like? That's the question the QueensWay Project, an effort to turn an abandoned stretch of railway in Queens into an elevated pedestrian and bike path, recently asked designers to answer. Some of the winners announced today are truly wild. » 2/12/14 4:20pm 2/12/14 4:20pm

5 Radical Ideas To Protect Coastal Cities From the Next Big Storm

A bridge that deploys huge inflatable buoys to slow storm surges. A barrier reef grown from minerals harvested by electrical currents. An artificial island protecting the most surge-prone neighborhoods. Most of us are bracing for a blizzard this week, but the winners of a recent design competition, Stormproof, are… » 1/02/14 9:00am 1/02/14 9:00am

6 Radical Infrastructure Schemes That Almost Changed NYC Forever

The East River? Oh, we dammed that thing up and threw a new City Hall on top. The Hudson? Filled it with traffic years ago. New Yorkers have never been shy about changing the natural landscape of their city, but if you dig into the archives, you'll find dozens of ideas so radical, they make present-day Gotham feel… » 7/02/13 9:03am 7/02/13 9:03am

Paolo Soleri and the Cities of the Future

Paolo Soleri, who died last month at 93, transformed the way people imagine cities of the future. You've probably seen some of his concepts without realizing it. He even built an experimental city in Arizona, called Arcosanti. We've got a gallery of his drawings and designs, some of which have never been online before. » 5/21/13 5:36pm 5/21/13 5:36pm