Design

Photos

Ideas for Cramming 1 Million More People Into New York City

The city's population is expected to mushroom to 9.1 million by 2030. Here's a novel way to accommodate that growth.

How Sports Teams Are Making Cities Greener

Leagues are taking an impressive range of innovative and cost-effective steps toward sustainability.

CityFixer

New York State's Curious, Century-Old Law Requiring Every City and Town to Have a Historian

Is this still a good idea?

Bird House? Try a Bird Apartment Building

This swanky avian domicile can fit up to 78 finch families and one human voyeur.

Reviving New York Harbor With Oysters: Why Hasn't This Happened Yet?

It's been more than two years since Columbia University professor Kate Orff made waves with her "Oyster-tecture" proposal. She's still pushing.

Photos

Mementos of NYC's 'Missing Limb'

Long-time city photographer Steven Siegel recalls one of his favorite subjects, the World Trade Center.

Photos

The 'Vegetal' Cities of Luc Schuiten: A Sustainability Fantasy

The visionary architect imagines metropolises built like vast orchards.

Videos

A Diary of Camping in New York City

One couple's quest to find serenity in "the wilderness" of Staten Island.

Giant Head Sees All on the Beaches of Rio

Great public art, or the setup for a hilarious jet-ski accident? You be the judge.

Photos

For the Love of Concrete

A new book aims to repair the reputation of the much-maligned composite.

Remembering a Pioneer of American Architecture Photography

Jack Boucher spent his life preserving historic buildings with his camera.

Recycling Project of the Day: MetroCard Collages

A different kind of subway art.

Videos

Artists Cover Europe With Invisible Graffiti

In Video Painting Europe, Sweatshoppe uses ingenious infrared tracking to smear digital video over concrete surfaces with paint rollers.

Turning 100,000 Unwanted Toys Into Art

In Tokyo, an artist creates sculpture with old toys, plastic and wire.

Photos

Skyscraper or Pair of Pants?

Beijing's $700 million Gate of the East has been attracting attention for its resemblance to a certain sartorial item.

Photos

What the Heck Is This Thing?

This concept building is being billed as a vertical farm. We'll be the judge of that.

Teenage Mutant Ninja Ants

Are cities creating new species of animals?

Is London Serious About Building a Network of Elevated Bike Lanes?

The city is indeed mulling an elaborate plan to hitch bike lanes along elevated rail tracks.

The World's Most Beautiful Light Pollution

Striking images of Auroras.