Photos

Florentijn Hofman

Plastic Bag Creation of the Day: The Slugs of Angers

Move over balloon animals. There's a new game in town.

Obama vs. Romney: Who Has the Better Graffiti?

Predicting the outcome of the 2012 election with a highly scientific analysis of wall doodles.

A Skyscraper That Could Clean the Air

This proposed Chicago building doesn't look like much, but it could clean up the air around the city's expressway.

Kingyobu

Turn Your Old Phone Booths Into Aquariums

A Japanese artist fills an old phone booth with water and goldfish, to the delight of passers-by.

Jonathan Burton

An Optical Illusion Commemorates Nelson Mandela

Is it thorny prison bars or the South African leader's profile? Depends on where you stand.

US National Park Service/ASLA

This Is What a City Guide Should Look Like

A new website offers tours and information on Washington's urbanism.

Campion & Co.

Rent This Boston Townhouse for Only $40,000 a Month

This restored property in Beacon Hill costs as much as renting an average house for a year.

Velepresso

Pedal Your Way to a Perfect Cup of Coffee

Velepresso grinds and heats your morning joe while you ride.

Patrick Baty

A Day in the Life of a Paint Detective

Meet the man who can figure out the birthplace of 200-year-old doors, just by looking at them.

10 Amazing 'Living' Green Roofs

Long popular in Europe, these designs are gaining a foothold in America and beyond.

Thomas Faivre-Duboz/Flickr

For a Weekend, Paris Lets the Masses Invade its Grandest Buildings

Over 300 sites, most of them off-limits the rest of the year, were open last weekend for the city's annual architectural open house.

Mark Cavagnero Associates

Designs for America's First Standalone Jazz Hall

Architects created a San Francisco performance space that feels more like a community room.

Vinsetta Garage

A Second Life for Detroit's Most Popular Garage

The Vinsetta is transformed into a restaurant.

Yumi Tsushima

A Plush Rooftop Garden for Tokyo Shoppers

A new "green island" on top of a mall comes with more than 80 kinds of plants and an air purification system.

Luzinterruptus

Impromptu Library Of the Day: A River of Luminous Books in Melbourne

Thousands of books flood Federation Square in "Literature vs. Traffic."

Isaac Cordal

Legions of Tiny Men Infiltrate Croatia

Is it a Leprechaun attack?

Ashley Wells

These Nifty Solar Panels Can Transmit Sunlight Underground to the Lowline

A team shows off its invention, which would make underground parks possible.

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.

Steven Siegel

Mementos of NYC's 'Missing Limb'

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