Move over balloon animals. There's a new game in town.
Predicting the outcome of the 2012 election with a highly scientific analysis of wall doodles.
This proposed Chicago building doesn't look like much, but it could clean up the air around the city's expressway.
A Japanese artist fills an old phone booth with water and goldfish, to the delight of passers-by.
Is it thorny prison bars or the South African leader's profile? Depends on where you stand.
A new website offers tours and information on Washington's urbanism.
This restored property in Beacon Hill costs as much as renting an average house for a year.
Velepresso grinds and heats your morning joe while you ride.
Meet the man who can figure out the birthplace of 200-year-old doors, just by looking at them.
Long popular in Europe, these designs are gaining a foothold in America and beyond.
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.
Architects created a San Francisco performance space that feels more like a community room.
The Vinsetta is transformed into a restaurant.
A new "green island" on top of a mall comes with more than 80 kinds of plants and an air purification system.
Thousands of books flood Federation Square in "Literature vs. Traffic."
Is it a Leprechaun attack?
A team shows off its invention, which would make underground parks possible.
The city's population is expected to mushroom to 9.1 million by 2030. Here's a novel way to accommodate that growth.
Long-time city photographer Steven Siegel recalls one of his favorite subjects, the World Trade Center.