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.
The visionary architect imagines metropolises built like vast orchards.
A new book aims to repair the reputation of the much-maligned composite.
Beijing's $700 million Gate of the East has been attracting attention for its resemblance to a certain sartorial item.
This concept building is being billed as a vertical farm. We'll be the judge of that.
Unbelievably, this 8-foot plywood cube fits an office, bed, storage and a meditation space.
In San Francisco, low-income housing that is not only senior citizen friendly but also a stylish addition to the neighborhood.
Then and now, all in one image.
It's like a bird mated with a rainbow.
Photographer David Sopronyi gives a new softness to London’s gritty West Way.
These chairs, tables and hanging flower pots latch on for easy relaxation.